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This element is used when there is not a more specific and appropriate element.","units":{"USD":[{"start":"2008-01-01","end":"2008-12-31","val":2380000,"accn":"0001193125-11-051404","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2008"},{"start":"2009-01-01","end":"2009-06-30","val":-215000,"accn":"0001193125-10-182962","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-09"},{"start":"2009-01-01","end":"2009-09-30","val":-215000,"accn":"0001193125-10-253667","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-09"},{"start":"2009-01-01","end":"2009-12-31","val":-215000,"accn":"0001193125-11-051404","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2009"},{"start":"2010-01-01","end":"2010-09-30","val":-68000,"accn":"0001193125-10-253667","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-09"},{"start":"2010-01-01","end":"2010-12-31","val":1097000,"accn":"0001193125-11-051404","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":584000,"accn":"0001193125-11-133527","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-10","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":665000,"accn":"0001193125-11-213470","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"}]}},"AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest":{"label":"Adjustments to Additional Paid in Capital, Reallocation of Noncontrolling Interest (Deprecated 2013-01-31)","description":"Change in additional paid in capital as a result of a reallocation of a subsidiary's stockholders' equity to noncontrolling interest due to the subsidiary issuing stock. This reallocation is from a capital 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income taxes 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This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' 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Equity before Treasury Stock","description":"Total amount of stockholders' equity (deficit) items including stock value, paid in capital, retained earnings and including equity attributable to noncontrolling interests and before deducting the carrying value of treasury stock.","units":{"USD":[{"end":"2011-12-31","val":1051518000,"accn":"0001193125-13-082311","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1123495000,"accn":"0001193125-13-082311","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"end":"2012-12-31","val":1123495000,"accn":"0001193125-13-206225","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-08"},{"end":"2012-12-31","val":1123495000,"accn":"0001193125-13-323287","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-07"},{"end":"2012-12-31","val":1123495000,"accn":"0001193125-13-425259","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-04"},{"end":"2012-12-31","val":1123495000,"accn":"0001193125-14-075029","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2012Q4I"},{"end":"2013-03-31","val":1132653000,"accn":"0001193125-13-206225","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-08","frame":"CY2013Q1I"},{"end":"2013-06-30","val":1149359000,"accn":"0001193125-13-323287","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-07","frame":"CY2013Q2I"},{"end":"2013-09-30","val":1149709000,"accn":"0001193125-13-425259","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-04","frame":"CY2013Q3I"},{"end":"2013-12-31","val":1175135000,"accn":"0001193125-14-075029","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"end":"2013-12-31","val":1175135000,"accn":"0001193125-14-189131","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-08"},{"end":"2013-12-31","val":1175135000,"accn":"0001193125-14-302182","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08"},{"end":"2013-12-31","val":1175135000,"accn":"0001193125-14-403234","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07"},{"end":"2013-12-31","val":1175135000,"accn":"0001193125-15-069137","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2013Q4I"},{"end":"2014-03-31","val":1168210000,"accn":"0001193125-14-189131","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-05-08","frame":"CY2014Q1I"},{"end":"2014-06-30","val":1190616000,"accn":"0001193125-14-302182","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-08","frame":"CY2014Q2I"},{"end":"2014-09-30","val":1303455000,"accn":"0001193125-14-403234","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-07","frame":"CY2014Q3I"},{"end":"2014-12-31","val":1296732000,"accn":"0001193125-15-069137","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27"},{"end":"2014-12-31","val":1296732000,"accn":"0001193125-15-176377","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-07"},{"end":"2014-12-31","val":1296732000,"accn":"0001193125-15-279531","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-06"},{"end":"2014-12-31","val":1296732000,"accn":"0001564590-15-009962","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":1296732000,"accn":"0001564590-16-013528","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26","frame":"CY2014Q4I"},{"end":"2015-03-31","val":1293912000,"accn":"0001193125-15-176377","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-07","frame":"CY2015Q1I"},{"end":"2015-06-30","val":1290516000,"accn":"0001193125-15-279531","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-06","frame":"CY2015Q2I"},{"end":"2015-09-30","val":1285079000,"accn":"0001564590-15-009962","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06","frame":"CY2015Q3I"},{"end":"2015-12-31","val":1282617000,"accn":"0001564590-16-013528","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-26"},{"end":"2015-12-31","val":1282617000,"accn":"0001564590-16-018822","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10"},{"end":"2015-12-31","val":1282617000,"accn":"0001564590-16-022972","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05"},{"end":"2015-12-31","val":1282617000,"accn":"0001564590-16-027626","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2015Q4I"},{"end":"2016-03-31","val":1275898000,"accn":"0001564590-16-018822","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-10","frame":"CY2016Q1I"},{"end":"2016-06-30","val":1270026000,"accn":"0001564590-16-022972","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-05","frame":"CY2016Q2I"},{"end":"2016-09-30","val":1263681000,"accn":"0001564590-16-027626","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-04","frame":"CY2016Q3I"}]}},"StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest":{"label":"Stockholders' 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Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2009-01-01","end":"2009-12-31","val":68098000,"accn":"0001193125-12-082591","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28","frame":"CY2009"},{"start":"2010-01-01","end":"2010-06-30","val":1121000,"accn":"0001193125-10-182962","fy":2010,"fp":"Q2","form":"10-Q","filed":"2010-08-09"},{"start":"2010-01-01","end":"2010-06-30","val":1121000,"accn":"0001193125-11-213470","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":1121000,"accn":"0001193125-10-253667","fy":2010,"fp":"Q3","form":"10-Q","filed":"2010-11-09"},{"start":"2010-01-01","end":"2010-09-30","val":1121000,"accn":"0001193125-11-297698","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2010-01-01","end":"2010-12-31","val":1121000,"accn":"0001193125-11-051404","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2010-01-01","end":"2010-12-31","val":1121000,"accn":"0001193125-12-082591","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":1121000,"accn":"0001193125-13-082311","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2011-01-01","end":"2011-03-31","val":15500000,"accn":"0001193125-11-133527","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-10"},{"start":"2011-01-01","end":"2011-03-31","val":15500000,"accn":"0001193125-12-221111","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-06-30","val":38233000,"accn":"0001193125-11-213470","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":38233000,"accn":"0001193125-12-343151","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":91722000,"accn":"0001193125-11-297698","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2011-01-01","end":"2011-09-30","val":91722000,"accn":"0001193125-12-459312","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-12-31","val":135651000,"accn":"0001193125-12-082591","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":135651000,"accn":"0001193125-13-082311","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":135651000,"accn":"0001193125-14-075029","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2012-01-01","end":"2012-03-31","val":13982000,"accn":"0001193125-12-221111","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09"},{"start":"2012-01-01","end":"2012-03-31","val":13982000,"accn":"0001193125-13-206225","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-08","frame":"CY2012Q1"},{"start":"2012-01-01","end":"2012-06-30","val":18625000,"accn":"0001193125-12-343151","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2012-01-01","end":"2012-06-30","val":18625000,"accn":"0001193125-13-323287","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-07"},{"start":"2012-01-01","end":"2012-09-30","val":25457000,"accn":"0001193125-12-459312","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2012-01-01","end":"2012-09-30","val":25457000,"accn":"0001193125-13-425259","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-04"},{"start":"2012-01-01","end":"2012-12-31","val":25457000,"accn":"0001193125-13-082311","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":25457000,"accn":"0001193125-14-075029","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28"},{"start":"2012-01-01","end":"2012-12-31","val":25457000,"accn":"0001193125-15-069137","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-27","frame":"CY2012"}]}},"StockRepurchasedAndRetiredDuringPeriodValue":{"label":"Stock Repurchased and Retired During Period, Value","description":"Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).","units":{"USD":[{"start":"2010-01-01","end":"2010-03-31","val":913000,"accn":"0001193125-11-133527","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-10","frame":"CY2010Q1"},{"start":"2010-01-01","end":"2010-06-30","val":1949000,"accn":"0001193125-11-213470","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2010-01-01","end":"2010-09-30","val":2021000,"accn":"0001193125-11-297698","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2010-01-01","end":"2010-12-31","val":2021000,"accn":"0001193125-13-082311","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28","frame":"CY2010"},{"start":"2010-01-01","end":"2010-12-31","val":2021000,"accn":"0001193125-12-082591","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"},{"start":"2010-01-01","end":"2010-12-31","val":2021000,"accn":"0001193125-11-051404","fy":2010,"fp":"FY","form":"10-K","filed":"2011-03-01"},{"start":"2011-01-01","end":"2011-03-31","val":49633000,"accn":"0001193125-12-221111","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-05-09","frame":"CY2011Q1"},{"start":"2011-01-01","end":"2011-03-31","val":49633000,"accn":"0001193125-11-133527","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-05-10"},{"start":"2011-01-01","end":"2011-06-30","val":49633000,"accn":"0001193125-12-343151","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-08-08"},{"start":"2011-01-01","end":"2011-06-30","val":-49633000,"accn":"0001193125-11-213470","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-08-08"},{"start":"2011-01-01","end":"2011-09-30","val":49633000,"accn":"0001193125-12-459312","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-11-08"},{"start":"2011-01-01","end":"2011-09-30","val":-49633000,"accn":"0001193125-11-297698","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-11-04"},{"start":"2011-01-01","end":"2011-12-31","val":49633000,"accn":"0001193125-14-075029","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-28","frame":"CY2011"},{"start":"2011-01-01","end":"2011-12-31","val":49633000,"accn":"0001193125-13-082311","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-28"},{"start":"2011-01-01","end":"2011-12-31","val":49633000,"accn":"0001193125-12-082591","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-28"}]}},"StockRepurchasedDuringPeriodShares":{"label":"Stock Repurchased During Period, Shares","description":"Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury 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Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury 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