{"cik":99070,"taxonomy":"us-gaap","tag":"OtherLiabilitiesNoncurrent","label":"Other Liabilities, Noncurrent","description":"Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.","entityName":"TRANSCANADA PIPELINES LTD","units":{"CAD":[{"end":"2013-12-31","val":56000000,"accn":"0001047469-15-000801","fy":2014,"fp":"FY","form":"40-F","filed":"2015-02-13","frame":"CY2013Q4I"},{"end":"2014-12-31","val":84000000,"accn":"0001047469-15-000801","fy":2014,"fp":"FY","form":"40-F","filed":"2015-02-13"},{"end":"2014-12-31","val":79000000,"accn":"0000099070-16-000028","fy":2015,"fp":"FY","form":"40-F","filed":"2016-02-11","frame":"CY2014Q4I"},{"end":"2015-12-31","val":120000000,"accn":"0000099070-16-000028","fy":2015,"fp":"FY","form":"40-F","filed":"2016-02-11"},{"end":"2015-12-31","val":120000000,"accn":"0000099070-17-000003","fy":2016,"fp":"FY","form":"40-F","filed":"2017-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":215000000,"accn":"0000099070-17-000003","fy":2016,"fp":"FY","form":"40-F","filed":"2017-02-17"},{"end":"2016-12-31","val":215000000,"accn":"0000099070-18-000002","fy":2017,"fp":"FY","form":"40-F","filed":"2018-02-16","frame":"CY2016Q4I"},{"end":"2017-12-31","val":152000000,"accn":"0000099070-18-000002","fy":2017,"fp":"FY","form":"40-F","filed":"2018-02-16","frame":"CY2017Q4I"}]}}