{"cik":"0000200155","entityType":"operating","sic":"4922","sicDescription":"Natural Gas Transmission","ownerOrg":"01 Energy & Transportation","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"COLORADO INTERSTATE GAS COMPANY, L.L.C.","tickers":[],"exchanges":[],"ein":"840173305","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"1001 LOUISIANA ST","street2":"SUITE 1000","city":"HOUSTON","stateOrCountry":"TX","zipCode":"77002","stateOrCountryDescription":"TX","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1001 LOUISIANA ST","street2":"SUITE 1000","city":"HOUSTON","stateOrCountry":"TX","zipCode":"77002","stateOrCountryDescription":"TX","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"713-369-9457","flags":"","formerNames":[{"name":"COLORADO INTERSTATE GAS CO","from":"1994-05-16T00:00:00.000Z","to":"2011-08-08T00:00:00.000Z"}],"filings":{"recent":{"accessionNumber":["0001104659-26-088252","0001104659-26-087357","0001104659-26-087340","0001104659-25-038090","0001104659-25-037184","0001104659-25-037176","0001104659-24-081924","0001104659-24-081351","0001104659-24-081342","0001104659-24-008330","0001104659-24-007473","0001104659-23-110594","0001104659-23-007548","0001104659-23-006752","0001104659-23-006733","0001104659-22-082876","0001104659-22-082265","0001104659-22-082250","0001104659-21-130490","0001104659-21-129784","0001104659-21-129654","0001047469-21-000326","0001047469-21-000310","0001047469-21-000305","0001047469-20-004286","0001047469-20-004251","0001047469-20-004246","0001047469-18-001052","0001047469-18-000944","0001047469-18-000941","0001047469-17-005061","0001047469-17-004960","0001047469-17-004959","0000200155-15-000017","0000200155-15-000015","0000200155-15-000013","0000200155-15-000011","0001047469-15-008030","0000200155-15-000008","0000200155-15-000005","0001047469-15-001986","0000200155-15-000003","0001047469-15-001126","0001047469-15-001063","0001047469-15-001029","0001047469-15-001027","0001047469-14-009564","0001047469-14-009513","0001047469-14-009452","0000200155-14-000011","0000200155-14-000008","0000200155-14-000006","0000200155-14-000003","0000200155-13-000013","0000200155-13-000010","0000200155-13-000007","0000200155-13-000004","0000200155-12-000006","0000000000-12-050741","0001445305-12-002786","0000000000-12-043016","0001193125-12-334655","0001506307-12-000087","0000000000-12-037323","0001506307-12-000070","0000000000-12-031334","9999999995-12-001695","0001193125-12-255294","0001193125-12-251492","0001193125-12-248322","0001193125-12-211822","0001193125-12-079785","0000950123-11-095513","0000950123-11-073867","0001066107-11-000035","0001066107-11-000009","0001066107-10-000099","0001066107-10-000068","0001066107-10-000031","0001066107-10-000011","0000950123-10-001463","0001066107-09-000099","0001066107-09-000087","0001066107-09-000055","0000950123-09-030685","0001066107-09-000046","0001066107-09-000027","0000950129-09-001541","9999999995-09-001009","0000950129-09-001200","0000950129-09-000994","0001066107-09-000014","0000950134-09-003809","0001066107-08-000165","0001066107-08-000150","0000950134-08-019603","0001066107-08-000142","0001066107-08-000128","0001066107-08-000084","0001066107-08-000066","0000950129-08-001512","0001066107-07-000194","0001066107-07-000182","0001066107-07-000171","0000950129-07-005294","0001066107-07-000161","0000950129-07-003813","0000950129-07-002333","0000950129-07-001032","0001066107-06-000217","0000950129-06-009403","0000000000-06-042599","0001066107-06-000175","0000950129-06-007587","0001066107-06-000165","9999999995-06-000025","0000950129-06-005741","0000950129-06-005681","0001066107-06-000116","0000950129-06-005039","0001066107-06-000103","0000950129-06-003865","0000950129-06-002344","0000950129-05-011996","0000950134-05-020664","0001066107-05-000256","0000950129-05-009356","0001066107-05-000220","0000000000-05-043360","0000950129-05-008559","0000950129-05-008555","0000950129-05-007795","0000950129-05-007300","0000000000-05-036243","9999999997-05-029183","0000950129-05-006131","0000950129-05-005101","0000950129-05-002954","0001066107-05-000050","0000950134-05-004043","0001066107-04-000184","0000950129-04-008958","0000950129-04-006127","0000200155-04-000005","0000200155-04-000002","0000950129-04-003303","0000950129-04-001310","0000950129-03-005500","0000950129-03-004154","0000950129-03-003264","0000950129-03-003257","0000950129-03-002817","0000950129-03-001618","0000950129-02-005660","0000950129-02-004096","0000950129-02-002558","0000950129-02-002066","0000950129-02-001609","0000950129-01-503963","0000950129-01-502486","0001066107-01-500009","0000950129-01-500740","0000950129-01-001772","0001066107-01-000010","0000021267-00-000054","0000021267-00-000046","0000021267-00-000025","0000021267-00-000013","0000200155-99-000003","0000065695-99-000004","0000021267-99-000043","0000021267-99-000027","0000200155-98-000004","0000200155-98-000002","0000200155-98-000001","0000021267-98-000006","0000200155-97-000007","0000021267-97-000025","0000021267-97-000023","0000899243-97-001202","0000899243-97-001187","0000200155-97-000005","0000200155-97-000002","0000021267-96-000026","0000899243-96-001197","0000021267-96-000020","0000899243-96-000519","0000200155-96-000002","0000200155-95-000003","0000021267-95-000027","0000021267-95-000017","0000899243-95-000147","0000021267-94-000057","0000065695-94-000012","0000021267-94-000042","0000899243-94-000070"],"filingDate":["2026-07-29","2026-07-28","2026-07-28","2025-04-23","2025-04-22","2025-04-22","2024-07-23","2024-07-22","2024-07-22","2024-01-30","2024-01-29","2023-10-23","2023-01-27","2023-01-26","2023-01-26","2022-07-27","2022-07-25","2022-07-25","2021-10-27","2021-10-26","2021-10-26","2021-02-09","2021-02-08","2021-02-08","2020-07-29","2020-07-27","2020-07-27","2018-02-26","2018-02-22","2018-02-22","2017-08-07","2017-08-03","2017-08-03","2015-12-14","2015-12-03","2015-11-23","2015-10-26","2015-10-26","2015-07-27","2015-04-29","2015-03-11","2015-02-26","2015-02-24","2015-02-23","2015-02-23","2015-02-23","2014-11-26","2014-11-24","2014-11-21","2014-10-29","2014-07-30","2014-05-01","2014-02-21","2013-10-31","2013-08-02","2013-05-03","2013-03-01","2012-11-05","2012-09-17","2012-08-30","2012-08-09","2012-08-03","2012-07-30","2012-07-17","2012-06-22","2012-06-15","2012-06-01","2012-05-31","2012-05-29","2012-05-25","2012-05-04","2012-02-27","2011-11-07","2011-08-08","2011-05-09","2011-03-01","2010-11-08","2010-08-06","2010-05-10","2010-02-26","2010-01-11","2009-11-12","2009-11-09","2009-08-10","2009-08-06","2009-07-30","2009-05-11","2009-05-08","2009-04-20","2009-04-13","2009-03-25","2009-03-02","2009-02-26","2008-12-22","2008-11-10","2008-11-06","2008-10-06","2008-08-08","2008-05-23","2008-05-09","2008-03-05","2007-11-30","2007-11-21","2007-11-07","2007-11-05","2007-10-16","2007-08-07","2007-05-08","2007-02-28","2006-11-09","2006-11-06","2006-09-02","2006-08-09","2006-08-07","2006-08-02","2006-05-22","2006-05-22","2006-05-18","2006-05-08","2006-05-05","2006-04-19","2006-04-11","2006-03-07","2005-12-16","2005-11-07","2005-11-02","2005-09-21","2005-09-16","2005-08-23","2005-08-22","2005-08-22","2005-08-08","2005-07-26","2005-07-14","2005-06-17","2005-06-10","2005-05-11","2005-03-29","2005-03-14","2005-03-02","2004-11-29","2004-11-12","2004-08-16","2004-08-10","2004-06-17","2004-05-14","2004-03-15","2003-11-10","2003-08-13","2003-06-20","2003-06-20","2003-05-15","2003-03-28","2002-11-14","2002-08-14","2002-05-15","2002-04-23","2002-03-28","2001-11-13","2001-08-13","2001-05-29","2001-05-15","2001-03-30","2001-02-02","2000-11-13","2000-08-11","2000-05-11","2000-02-25","1999-11-12","1999-08-13","1999-05-13","1999-03-26","1998-11-12","1998-08-13","1998-05-15","1998-03-27","1997-11-13","1997-08-12","1997-07-31","1997-06-26","1997-06-25","1997-05-12","1997-03-27","1996-11-12","1996-09-06","1996-08-13","1996-05-14","1996-03-29","1995-11-13","1995-08-11","1995-05-12","1995-03-31","1994-11-14","1994-08-11","1994-05-16","1994-03-30"],"reportDate":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","2015-11-23","2015-09-30","","2015-06-30","2015-03-31","","2014-12-31","","","","","","","","2014-09-30","2014-06-30","2014-03-31","2013-12-31","2013-09-30","2013-06-30","2013-03-31","2012-12-31","2012-09-30","","2012-08-29","","2012-06-30","2012-07-30","","","","","2012-05-25","","","2012-03-31","2011-12-31","2011-09-30","2011-06-30","2011-03-31","2010-12-31","2010-09-30","2010-06-30","2010-03-31","2009-12-31","2010-01-08","2009-11-10","2009-09-30","2009-06-30","2009-08-06","2009-07-24","2009-03-31","2009-05-08","","","","2008-12-31","2009-02-26","2008-12-17","2008-09-30","2008-11-06","2008-09-30","2008-06-30","2008-05-23","2008-03-31","2007-12-31","2007-11-29","2007-11-16","2007-11-01","2007-09-30","2007-10-15","2007-06-30","2007-03-31","2006-12-31","2006-11-03","2006-09-30","","2006-08-09","2006-06-30","2006-07-31","","","","2006-05-08","2006-03-31","2006-04-18","","2005-12-31","2005-11-01","2005-09-30","2005-11-02","","","","","","2005-06-30","","","","","2005-03-31","2004-12-31","2005-03-14","2005-03-02","2004-11-29","2004-09-30","2004-06-30","2004-08-10","2004-06-17","2004-03-31","2003-12-31","2003-09-30","2003-06-30","2002-12-31","2003-03-31","2003-03-31","2002-12-31","2002-09-30","2002-06-30","2002-03-31","2002-04-08","2001-12-31","2001-09-30","2001-06-30","2001-05-29","2001-03-31","2000-12-31","2001-02-02","2000-09-30","2000-06-30","2000-03-31","1999-12-31","1999-09-30","1999-06-30","1999-03-31","1998-12-31","1998-09-30","1998-06-30","1998-03-31","1997-12-31","1997-09-30","1997-06-30","","","1997-06-24","1997-03-31","1996-12-31","1996-09-30","","1996-06-30","1996-03-31","1995-12-31","1995-09-30","1995-06-30","1995-03-31","1994-12-31","1994-09-30","1994-06-30","1994-03-31","1993-12-31"],"acceptanceDateTime":["2026-07-29T21:19:40.000Z","2026-07-28T13:23:30.000Z","2026-07-28T12:59:09.000Z","2025-04-23T21:18:21.000Z","2025-04-22T12:29:51.000Z","2025-04-22T12:17:36.000Z","2024-07-23T20:42:17.000Z","2024-07-22T12:42:09.000Z","2024-07-22T12:15:56.000Z","2024-01-30T22:11:30.000Z","2024-01-29T13:15:32.000Z","2023-10-21T00:57:48.000Z","2023-01-27T21:30:48.000Z","2023-01-26T13:52:58.000Z","2023-01-26T13:08:57.000Z","2022-07-26T23:01:00.000Z","2022-07-25T12:46:53.000Z","2022-07-25T11:57:03.000Z","2021-10-27T20:23:49.000Z","2021-10-26T12:41:32.000Z","2021-10-26T00:55:45.000Z","2021-02-09T22:13:07.000Z","2021-02-08T14:01:25.000Z","2021-02-06T00:04:24.000Z","2020-07-29T01:31:29.000Z","2020-07-27T13:14:16.000Z","2020-07-27T11:32:01.000Z","2018-02-26T16:29:56.000Z","2018-02-22T14:12:00.000Z","2018-02-22T13:49:31.000Z","2017-08-07T21:10:20.000Z","2017-08-03T13:14:36.000Z","2017-08-03T12:51:33.000Z","2015-12-14T22:24:14.000Z","2015-12-03T21:56:21.000Z","2015-11-23T22:11:03.000Z","2015-10-26T19:15:01.000Z","2015-10-26T10:29:29.000Z","2015-07-27T18:22:28.000Z","2015-04-29T20:06:46.000Z","2015-03-11T20:23:25.000Z","2015-02-25T22:32:30.000Z","2015-02-24T22:06:41.000Z","2015-02-23T22:29:26.000Z","2015-02-23T13:47:40.000Z","2015-02-23T13:26:45.000Z","2014-11-26T02:01:21.000Z","2014-11-24T13:33:11.000Z","2014-11-21T11:02:44.000Z","2014-10-29T20:16:22.000Z","2014-07-30T21:13:09.000Z","2014-05-01T18:06:36.000Z","2014-02-21T21:09:59.000Z","2013-10-31T18:50:35.000Z","2013-08-02T21:04:55.000Z","2013-05-03T19:07:14.000Z","2013-03-01T22:08:20.000Z","2012-11-05T20:44:13.000Z","2012-09-17T21:26:42.000Z","2012-08-29T22:18:15.000Z","2012-08-09T14:48:03.000Z","2012-08-03T19:27:00.000Z","2012-07-30T20:01:46.000Z","2012-07-17T15:52:52.000Z","2012-06-22T19:47:18.000Z","2012-06-15T19:57:57.000Z","2012-06-04T04:15:10.000Z","2012-05-31T18:31:04.000Z","2012-05-29T21:23:23.000Z","2012-05-25T14:19:22.000Z","2012-05-04T19:49:59.000Z","2012-02-27T11:52:41.000Z","2011-11-05T01:53:56.000Z","2011-08-05T23:38:56.000Z","2011-05-07T00:49:19.000Z","2011-03-01T02:46:19.000Z","2010-11-05T23:25:21.000Z","2010-08-06T20:30:12.000Z","2010-05-08T01:33:16.000Z","2010-02-26T22:08:42.000Z","2010-01-11T11:03:20.000Z","2009-11-12T16:30:36.000Z","2009-11-07T02:12:13.000Z","2009-08-08T01:50:04.000Z","2009-08-06T11:46:02.000Z","2009-07-30T18:28:15.000Z","2009-05-11T20:27:52.000Z","2009-05-08T15:16:42.000Z","2009-04-21T04:15:15.000Z","2009-04-13T21:11:38.000Z","2009-03-25T20:31:31.000Z","2009-03-02T17:45:58.000Z","2009-02-26T12:46:26.000Z","2008-12-22T22:26:37.000Z","2008-11-08T02:42:29.000Z","2008-11-06T14:01:50.000Z","2008-10-06T18:44:36.000Z","2008-08-08T21:20:47.000Z","2008-05-23T21:31:05.000Z","2008-05-09T21:29:08.000Z","2008-03-05T02:41:38.000Z","2007-11-30T16:16:40.000Z","2007-11-21T18:29:01.000Z","2007-11-07T21:08:26.000Z","2007-11-05T11:14:50.000Z","2007-10-16T13:29:33.000Z","2007-08-07T16:45:38.000Z","2007-05-08T16:20:49.000Z","2007-02-28T21:29:22.000Z","2006-11-09T15:27:16.000Z","2006-11-06T14:49:25.000Z","2006-09-02T19:04:39.000Z","2006-08-09T21:28:24.000Z","2006-08-07T14:03:59.000Z","2006-08-02T16:36:11.000Z","2006-05-23T04:15:21.000Z","2006-05-22T17:24:26.000Z","2006-05-18T20:56:35.000Z","2006-05-08T21:26:17.000Z","2006-05-05T21:22:52.000Z","2006-04-18T21:40:11.000Z","2006-04-11T21:28:51.000Z","2006-03-07T22:28:14.000Z","2005-12-15T23:44:57.000Z","2005-11-07T11:18:45.000Z","2005-11-02T20:59:24.000Z","2005-09-20T23:15:00.000Z","2005-09-16T18:54:23.000Z","2005-08-23T14:25:00.000Z","2005-08-22T22:19:12.000Z","2005-08-22T21:27:34.000Z","2005-08-06T01:58:00.000Z","2005-07-26T20:52:24.000Z","2005-07-14T21:54:28.000Z","2005-06-23T13:23:06.000Z","2005-06-10T20:56:40.000Z","2005-05-11T10:02:51.000Z","2005-03-29T22:14:15.000Z","2005-03-14T22:05:39.000Z","2005-03-02T12:47:07.000Z","2004-11-29T21:48:16.000Z","2004-11-12T22:14:37.000Z","2004-08-13T22:05:18.000Z","2004-08-10T16:55:12.000Z","2004-06-17T18:51:48.000Z","2004-05-14T20:58:18.000Z","2004-03-15T20:45:10.000Z","2003-11-10T22:30:52.000Z","2003-08-13T19:37:13.000Z","2003-06-20T16:54:19.000Z","2003-06-20T16:09:37.000Z","2003-05-15T20:54:36.000Z","2003-03-28T01:01:18.000Z","2002-11-14T01:59:19.000Z","2002-08-13T23:29:35.000Z","2002-05-15T17:30:08.000Z","2002-04-23T04:00:00.000Z","2002-03-28T05:00:00.000Z","2001-11-13T05:00:00.000Z","2001-08-13T04:00:00.000Z","2001-05-29T04:00:00.000Z","2001-05-15T04:00:00.000Z","2001-03-30T05:00:00.000Z","2001-02-02T05:00:00.000Z","2000-11-13T05:00:00.000Z","2000-08-11T04:00:00.000Z","2000-05-11T04:00:00.000Z","2000-02-25T05:00:00.000Z","1999-11-12T05:00:00.000Z","1999-08-13T04:00:00.000Z","1999-05-13T04:00:00.000Z","1999-03-26T05:00:00.000Z","1998-11-12T05:00:00.000Z","1998-08-13T04:00:00.000Z","1998-05-15T04:00:00.000Z","1998-03-27T05:00:00.000Z","1997-11-13T05:00:00.000Z","1997-08-12T04:00:00.000Z","1997-07-31T04:00:00.000Z","1997-06-26T04:00:00.000Z","1997-06-25T04:00:00.000Z","1997-05-12T04:00:00.000Z","1997-03-27T05:00:00.000Z","1996-11-12T05:00:00.000Z","1996-09-06T04:00:00.000Z","1996-08-13T04:00:00.000Z","1996-05-14T04:00:00.000Z","1996-03-29T05:00:00.000Z","1995-11-13T05:00:00.000Z","1995-08-11T04:00:00.000Z","1995-05-12T04:00:00.000Z","1995-03-31T05:00:00.000Z","1994-11-14T05:00:00.000Z","1994-08-11T04:00:00.000Z","1994-05-16T04:00:00.000Z","1994-03-30T05:00:00.000Z"],"act":["33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","33","34","34","34","34","33","34","34","33","34","33","33","33","33","33","33","33","34","34","34","34","34","34","34","34","34","","34","","34","34","","","","33","34","33","33","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","33","33","33","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","","34","34","34","33","33","33","34","34","34","33","34","34","34","34","33","","","","33","34","33","","34","33","34","34","34","34","34","34","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"form":["424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","S-3ASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","S-3ASR","424B2","424B5","POSASR","424B2","424B5","POSASR","15-12B","25","8-K","10-Q","S-3ASR","10-Q","10-Q","424B2","10-K","424B2","424B5","424B5","POSASR","424B2","424B5","S-3ASR","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","UPLOAD","8-K","UPLOAD","10-Q","8-K","UPLOAD","CORRESP","UPLOAD","EFFECT","8-K","POS AM","POS AM","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","8-K","8-K","10-Q","10-Q","8-K","8-K","10-Q","8-K","EFFECT","S-3/A","S-3","10-K","8-K","8-K","10-Q","8-K","8-K","10-Q","8-K","10-Q","10-K","8-K","8-K","8-K","10-Q","8-K","10-Q","10-Q","10-K","8-K","10-Q","UPLOAD","8-K","10-Q","8-K","EFFECT","424B3","S-4/A","8-K/A","10-Q","8-K","S-4","10-K","8-K/A","10-Q","8-K","424B3","CORRESP","UPLOAD","CORRESP","S-4/A","10-Q","S-4/A","UPLOAD","25","S-4","10-Q","10-K","8-K","8-K","8-K","10-Q","10-Q","8-K","8-K","10-Q","10-K","10-Q","10-Q","10-K/A","10-Q/A","10-Q","10-K","10-Q","10-Q","10-Q","8-K","10-K405","10-Q","10-Q","8-K","10-Q","10-K405","8-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","8-A12B","424B2","8-K","10-Q","10-K","10-Q","S-3","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K405","10-Q","10-Q","10-Q","10-K"],"fileNumber":["333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-275130-85","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-240108-203","333-207599-217","333-207599-217","333-207599-217","333-207599-217","333-207599-217","333-207599-217","001-48744","001-48744","001-04874","001-04874","333-207599-217","001-04874","001-04874","333-200421-211","001-04874","333-200421-211","333-200421-211","333-200421-211","333-200421-211","333-200421-211","333-200421-211","333-200421-211","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","","001-04874","","001-04874","001-04874","","","","333-158205-06","001-04874","333-158205-06","333-158205-06","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","333-158205-06","333-158205-06","333-158205-06","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","","001-04874","001-04874","001-04874","333-133212","333-133212","333-133212","001-04874","001-04874","001-04874","333-133212","001-04874","001-04874","001-04874","001-04874","333-125728","","","","333-125728","001-04874","333-125728","","001-48744","333-125728","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","333-11525","001-04874","001-04874","001-04874","001-04874","333-11525","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874","001-04874"],"filmNumber":["261219222","261208250","261207929","25862588","25855589","25855261","241135015","241129793","241129540","24579382","24570487","231338182","23563433","23554949","23554058","221108427","221101531","221101245","211353289","211346230","211345638","21607703","21598740","21597896","201055428","201048770","201048410","18639337","18631157","18630886","171012500","171003505","171003214","151286781","151267939","151250405","151174956","151174091","151006792","15812777","15693027","15649107","15644615","15641029","15638181","15637914","141251335","141244942","141241031","141180387","141003622","14804002","14633742","131182330","131007166","13812271","13658797","121179994","","121064211","","121006698","12993681","","","","12884613","12880257","12875088","12869715","12814162","12640110","111182632","111015395","11821191","11648736","101170353","10998766","10814040","10640491","10518855","091175321","091166328","09997366","09989916","09973257","09815377","09808512","09760398","09747071","09704336","09646270","09635596","081264906","081173217","081165437","081109179","081003528","08859064","08819869","08665974","071276768","071262525","071221595","071212282","071173225","071030720","07827028","07658260","061199934","061188860","","061018817","061007580","06997033","06860025","06857805","06852745","06817841","06814113","06765542","06754330","06671014","051267880","051182050","051173275","051094556","","","","051041954","051004262","05974736","","05057074","05890527","05818624","05710465","05679062","05652287","041172158","041140526","04975685","04963812","04868622","04808592","04669469","03989640","03841093","03751388","03751285","03705842","03622320","02821714","02731297","02650325","02618772","02592301","1782490","1705241","1649868","1634706","1585244","1523815","760604","694048","626616","553493","99748247","99687335","99620172","99574017","98745223","98685473","98624468","98576395","97715134","97656492","97648980","97630153","97629550","97600884","97564484","96659331","96626894","96611318","96564380","96541486","95589305","95561787","95538008","95525877","94559190","94542986","94528453","94518981"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","8.01,9.01","","","","","","","","","","","","","","","","","","","","","","","","5.02","","","5.02","","","","POS AM,0001193125-12-251492,2012-06-01","4.01,5.01,5.02,9.01","","","","","","","","","","","","","8.01","5.02","","","2.02,9.01","5.01,5.03,9.01","","2.02,9.01","S-3,,2009-04-20 10:00:00","","","","2.02,9.01","2.03,9.01","","2.02,9.01","3.03,8.01,9.01","","7.01,9.01","","","7.01,9.01","1.02,2.01,9.01","3.03,8.01,9.01","","1.01,3.03,9.01","","","","1.01,9.01","","","8.01,9.01","","1.01,2.03,8.01,9.01","S-4,","","","4.01,9.01","","4.01,9.01","","","9.01","","1.01,2.01,2.03,9.01","","","","","","","","","","","","","1.01,2.03,9.01","2.02,8.01,9.01","1.01,2.03,8.01,9.01","","","5,7","5,7","","","","","","","","","","","","2,7","","","","4,7","","","1,7","","","","","","","","","","","","","","","","","7","","","","","","","","","","","","","","",""],"core_type":["424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","S-3ASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","S-3ASR","424B2","424B5","POSASR","424B2","424B5","POSASR","15-12B","25","8-K","10-Q","S-3ASR","10-Q","10-Q","424B2","10-K","424B2","424B5","424B5","POSASR","424B2","424B5","S-3ASR","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","LETTER","8-K","LETTER","10-Q","8-K","LETTER","CORRESP","LETTER","EFFECT","8-K","POS AM","POS AM","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","8-K","8-K","10-Q","10-Q","8-K","8-K","10-Q","8-K","EFFECT","S-3/A","S-3","10-K","8-K","8-K","10-Q","8-K","8-K","10-Q","8-K","10-Q","10-K","8-K","8-K","8-K","10-Q","8-K","10-Q","10-Q","10-K","8-K","10-Q","LETTER","8-K","10-Q","8-K","EFFECT","424B3","S-4/A","8-K/A","10-Q","8-K","S-4","10-K","8-K/A","10-Q","8-K","424B3","CORRESP","LETTER","CORRESP","S-4/A","10-Q","S-4/A","LETTER","25","S-4","10-Q","10-K","8-K","8-K","8-K","10-Q","10-Q","8-K","8-K","10-Q","10-K","10-Q","10-Q","10-K/A","10-Q/A","10-Q","10-K","10-Q","10-Q","10-Q","8-K","10-K405","10-Q","10-Q","8-K","10-Q","10-K405","8-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","8-A12B","424B2","8-K","10-Q","10-K","10-Q","S-3","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K405","10-Q","10-Q","10-Q","10-K"],"size":[887808,727461,908166,878454,716942,915165,745807,721707,482006,789696,771782,1787930,810803,786352,520806,762202,731043,512809,704843,689481,514974,567522,560605,408718,567112,557807,877651,560233,559011,474474,539316,509174,559566,14802,18010,78643,1938762,1005535,1922246,2167733,637957,5665092,559085,628440,552165,562054,644198,656163,1405427,2253577,2247879,2071531,5461755,2359702,3027286,1824094,5678191,1984867,39073,19331,146709,1509377,23512,43943,75343,110469,7266,28295,67247,67298,949249,2304203,933597,870030,411995,1231549,507226,480782,380919,3589634,23349,33136,556326,501451,706667,134859,437579,592352,7260,1074689,1787774,1495542,705515,196451,524539,330218,91347,514505,70148,418051,558204,66586,397843,591666,166521,89070,158729,156017,437785,1330328,469892,24380,48073,369443,1574322,2099,1000566,1522406,50655,277048,49600,1645046,715529,352447,330432,567568,1043387,14505,4935,16671,1184292,308597,1187325,11130,1763,1413882,365509,1261717,402374,43480,1540570,290406,382061,91971,7340,348104,630393,281079,275878,118115,111607,271351,749490,320819,261582,190209,414752,568868,53427,42044,6215,37935,145004,5636,49456,48448,48950,153564,50277,48051,46232,182305,64478,59082,53467,221019,54280,53432,5613,84466,6409,48464,220371,59454,320353,58665,50713,219565,50831,48604,45394,182020,51123,46795,42458,214421],"isXBRL":[1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,0,1,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,1,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,0,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["tm2619040-4_424b2.htm","tm2619040-3_424b5.htm","tm2619040-1_posasr.htm","tm2511607-4_424b2.htm","tm2511607-3_424b5.htm","tm2511607-1_posasr.htm","tm2418683-3_424b2.htm","tm2418683-2_424b5.htm","tm2418683d1_posasr.htm","tm244058-3_424b2.htm","tm244058-1_424b5.htm","tm2328333-1_s3asr.htm","tm233668-3_424b2.htm","tm233668-2_424b5.htm","tm233668d1_posasr.htm","tm2221024-4_424b2.htm","tm2221024-2_424b5.htm","tm2221024d1_posasr.htm","tm2130147-3_424b2.htm","tm2130147-2_424b5.htm","tm2130147d1_posasr.htm","a2242905z424b2.htm","a2242894z424b5.htm","a2242877zposasr.htm","a2242146z424b2.htm","a2242127z424b5.htm","a2242072zs-3asr.htm","a2234615z424b2.htm","a2234496z424b5.htm","a2234481zposasr.htm","a2232898z424b2.htm","a2232870z424b5.htm","a2232872zposasr.htm","form15-12b.htm","cig_formx25.htm","cig8-k11x23x2015.htm","cig-2015930x10q.htm","a2225641zs-3asr.htm","cig-2015630x10q.htm","cig-2015331x10q.htm","a2223256z424b2.htm","cig-20141231x10k.htm","a2223224z424b2.htm","a2223125z424b5.htm","a2223056z424b5.htm","a2223143zposasr.htm","a2222346z424b2.htm","a2222113z424b5.htm","a2221961zs-3asr.htm","cig-2014930x10q.htm","cig-2014630x10q.htm","cig-2014331x10q.htm","cig-20131231x10k.htm","cig-2013930x10q.htm","cig-2013630x10q.htm","cig-2013331x10q.htm","cig-20121231x10k.htm","cig-2012930x10q.htm","filename1.pdf","cig-8292012x8k.htm","filename1.pdf","d363761d10q.htm","cig8k073012.htm","filename1.pdf","filename1.htm","filename1.pdf","xslEFFECTX01/primary_doc.xml","d360767d8k.htm","d354968dposam.htm","d354968dposam.htm","d337658d10q.htm","d271449d10k.htm","h84778e10vq.htm","h83143e10vq.htm","cig10q03312011.htm","cig10k12312010.htm","cig10q20100930.htm","cig10q20100630.htm","cig10q03312010.htm","cig200910k.htm","h69248e8vk.htm","cig8k11102009.htm","cig10q09302009.htm","cig10q06302009.htm","h67649e8vk.htm","cig8k07242009.htm","cig10q03312009.htm","h66739e8vk.htm","xslEFFECTX01/primary_doc.xml","h66384a1sv3za.htm","h66214sv3.htm","cig200810k.htm","h65917e8vk.htm","cig8k12172008.htm","cig20083q10q.htm","h64788e8vk.htm","cig8k09302008.htm","cig20082q10q.htm","cig8k05232008.htm","cig20081q10q.htm","h54290e10vk.htm","cig8k11292007.htm","cig8k11192007.htm","cig8k11052007.htm","h51122e10vq.htm","cig8k10152007.htm","h48760e10vq.htm","h46362e10vq.htm","h43361e10vk.htm","cig8k11092006.htm","h40623e10vq.htm","filename1.pdf","cig8k08092006.htm","h37544e10vq.htm","cig8k08012006.htm","xslEFFECTX01/primary_doc.xml","h34474b3e424b3.htm","h34474a1sv4za.htm","cig8ka05052006.htm","h35029e10vq.htm","cig8k04182006.htm","h34474sv4.htm","h30986e10vk.htm","h30292a1e8vkza.htm","h29228e10vq.htm","cig8k11022005.htm","h26137de424b3.htm","filename1.htm","filename1.txt","filename1.htm","h26137a2sv4za.htm","h26776e10vq.htm","h26137a1sv4za.htm","filename1.txt","9999999997-05-029183.paper","h26137sv4.htm","h24326e10vq.htm","h22342e10vk.htm","cig8k03142005.htm","h23006e8vk.htm","cig8k11232004.htm","h19314e10vq.txt","h16270e10vq.txt","cig8k040810.txt","cig8k040617.txt","h14314e10vq.txt","h11832e10vk.txt","h09452e10vq.txt","h06205e10vq.txt","h06614e10vkza.txt","h06618e10vqza.txt","h04918e10vq.txt","h01595e10vk.txt","h99477e10vq.txt","h97438e10vq.txt","h95965e10-q.txt","h96218e8-k.txt","h93217e10-k405.txt","h90882e10-q.txt","h88257e10-q.txt","cig.txt","h85909e10-q.txt","h83199e10-k405.txt","0001.txt","0001.txt","0001.txt","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"primaryDocDescription":["424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","S-3ASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","POSASR","424B2","424B5","S-3ASR","424B2","424B5","POSASR","424B2","424B5","POSASR","15-12B","25","8-K","10-Q","S-3ASR","10-Q","10-Q","424B2","10-K","424B2","424B5","424B5","POSASR","424B2","424B5","S-3ASR","10-Q","10-Q","10-Q","10-K","10-Q","10-Q","10-Q","10-K","FORM 10-Q","","8-K","","FORM 10-Q","CIG 8-K 07-30-2012","","","","","FORM 8-K","POS AM","POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3","FORM 10-Q","FORM 10-K","FORM 10-Q","FORM 10-Q","COLORADO INTERSTATE GAS COMPANY (CIG) FORM 10-Q (03-31-2011)","COLORADO INTERSTATE GAS COMPANY (CIG) 2010 FORM 10-K","COLORADO INTERSTATE GAS COMPANY (CIG) 2010 3RD QUARTER FORM 10Q (09-30-2010)","COLORADO INTERSTATE GAS COMPANY (CIG) 2ND QUARTER FORM 10Q (06-30-2010)","COLORADO INTERSTATE GAS COMPANY (CIG) FORM 10-Q (03-31-2010)","COLORADO INTERSTATE GAS COMPANY (CIG) FORM 10-K","FORM 8-K","COLORADO INTERSTATE GAS COMPANY (CIG) FORM 8-K (11-10-2009)","COLORADO INTERSTATE GAS COMPANY (CIG) FORM 10-Q (09.30.2009)","COLORADO INTERSTATE GAS COMPANY 2009 2ND QTR 10Q","FORM 8-K","COLORADO INTERSTATE GAS COMPANY FORM 8-K (07-24-2009)","COLORADO INTERSTATE GAS COMPANY (CIG) 2009 1ST QTR. 10-Q","FORM 8-K","","AMENDMENT TO FORM S-3","FORM S-3","COLORADO INTERSTATE GAS COMPANY 2008 10-K","FORM 8-K","CIG 8-K 12-17-2008","CIG 2008 3RD QTR FORM 10Q","FORM 8-K - CURRENT REPORT","CIG 8-K 09.30.2008","CIG 2ND QTR FROM 10Q","CIG 8-K 05-23-2008","CIG 2008 1Q 10Q","FORM 10-K","CIG 8-K 11-29-2007","CIG 8-K 11-19-2007","CIG 8-K 11-07-2007","FORM 10-Q","CIG 8-K 10-15-2007","FORM 10-Q","FORM 10-Q","FORM 10-K - ANNUAL REPORT","CIG 8-K 11-09-2006","FORM 10-Q - QUARTERLY REPORT","","CIG8K08092006","FORM 10-Q - QUARTERLY REPORT","CIG 8-K 08-01-2006","","COLORADO INTERSTATE GAS COMPANY - REGISTRATION NO. 333-133212","COLORADO INTERSTATE GAS COMPANY - AMENDMENT NO.1 - 333-133212","CIG 8-K/A 05-08-2006","COLORADO INTERSTATE GAS COMPANY - MARCH 31, 2006","CIG 8-K 04-18-2006","COLORADO INTERSTATE GAS COMPANY","COLORADO INTERSTATE GAS COMPANY","COLORADO INTERSTATE GAS COMPANY","COLORADO INTERSTATE GAS COMPANY - SEPTEMBER 30, 2005","CIG 8-K 11-05-2005","COLORADO INTERSTATE GAS COMPANY - REG. NO. 333-125728","","","","COLORADO INTERSTATE GAS COMPANY - AMEND.NO.2 - 333-125728","COLORADO INTERSTATE GAS COMPANY - 6/30/2005","COLORADO INTERSTATE GAS COMPANY - AMEND.NO.1 - 333-125728","","AUTO-GENERATED PAPER DOCUMENT","COLORADO INTERSTATE GAS COMPANY","COLORADO INTERSTATE GAS COMPANY - 3/31/2005","COLORADO INTERSTATE GAS COMPANY - 12/31/2004","CIG 8-K 03-14-2005","COLORADO INTERSTATE GAS CO.- MARCH 2, 2005","CIG 8-K 11-23-2004","COLORADO INTERSTATE GAS COMPANY - 9/30/2004","COLORADO INTERSTATE GAS COMPANY - 6/30/2004","","","COLORADO INTERSTATE GAS CO.- MARCH 31, 2004","COLORADO INTERSTATE GAS COMPANY - 12/31/2003","COLORADO INTERSTATE GAS CO.- SEPTEMBER 30, 2003","COLORADO INTERSTATE GAS COMPANY - JUNE 30, 2003","COLORADO INTERSTATE GAS CO.- AMENDMENT NO.1","COLORADO INTERSTATE GAS COMPANY - AMENDMENT NO.1","COLORADO INTERSTATE GAS COMPANY - MARCH 31, 2003","COLORADO INTERSTATE GAS CO.- DECEMBER 31, 2002","COLORADO INTERSTATE GAS COMPANY - 9/30/2002","COLORADO INTERSTATE GAS CO - JUNE 30, 2002","COLORADO INTERSTATE GAS COMPANY - DATED 3/31/2002","COLORADO INTERSTATE GAS COMPANY","COLORADO INTERSTATE GAS COMPANY - 12/31/2001","COLORADO INTERSTATE GAS COMPANY","COLORADO INTERSTATE GAS COMPANY - 6/30/01","","COLORADO INTERSTATE GAS COMPANY - DATED 3/31/2001","COLORADO INTERSTATE GAS COMPANY - DECEMBER 31,2000","","2000 3RD QTR 10Q COLORADO INTERSTATE","2000 2ND QTR 10Q COLORADO INTERSTATE","2000 1ST QTR 10Q COLORADO INTERSTATE","COLORADO INTERSTATE GAS CO","1999 3RD QTR 10-Q COLORADO INTERSTATE GAS CO","1999 2ND QTR 10-Q COLORADO INTERSTATE GAS CO","1999 1ST QTR 10Q COLORADO INTERSTATE GAS COMPANY","COLORADO INTERSTATE GAS COMPANY 10-K","1998 3RD QTR FOR COLORADO INTERSTATE GAS CO.","1998 2ND QTR FOR COLORADO INTERSTATE GAS CO.","1998 1ST QUARTER 10Q COLORADO INTERSTATE GAS CO","COLORADO INTERSTATE GAS COMPANY 10-K","1997 3RD QUARTER 10Q COLORADO INTERSTATE GAS CO.","1997 2ND QUARTER 10Q COLORADO INTERSTATE GAS CO.","FORM 8-A FOR COLORADO INTERSTATE GAS COMPANY","PROSPECTUS","FORM 8-K","1ST QUARTER ENDING 3/31/97","COLORADO INTERSTATE GAS COMPANY 10-K","3RD QUARTER ENDING 09/30/96","FORM S-3","2ND QUARTER ENDING 6/30/96","FIRST QUARTER-FORM 10-Q","CIG 1995 10-K","FORM 10-Q FOR THE THIRD QUARTER 1995","FORM 10-Q FOR THE SECOND QUARTER 1995","FORM 10-Q FOR THE FIRST QUARTER 1995","FORM 10-K405","FORM 10-Q FOR THE THIRD QUARTER 1994","FORM 10-Q FOR THE SECOND QUARTER 1994","FORM 10-Q FOR THE FIRST QUARTER 1994","10-K DOCUMENT"]},"files":[]}}