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Alternate caption for the concept is permanent 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07","frame":"CY2013Q2I"},{"end":"2013-09-30","val":743000000,"accn":"0001193125-13-429610","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-11-06","frame":"CY2013Q3I"},{"end":"2013-12-31","val":757000000,"accn":"0001193125-14-069071","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-26"},{"end":"2013-12-31","val":757000000,"accn":"0001193125-14-170378","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-30"},{"end":"2013-12-31","val":757000000,"accn":"0001193125-14-297593","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06"},{"end":"2013-12-31","val":757000000,"accn":"0001193125-14-397875","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05"},{"end":"2013-12-31","val":757000000,"accn":"0001193125-15-064862","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-26","frame":"CY2013Q4I"},{"end":"2014-03-31","val":766000000,"accn":"0001193125-14-170378","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-04-30","frame":"CY2014Q1I"},{"end":"2014-06-30","val":794000000,"accn":"0001193125-14-297593","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-08-06","frame":"CY2014Q2I"},{"end":"2014-09-30","val":810000000,"accn":"0001193125-14-397875","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-11-05","frame":"CY2014Q3I"},{"end":"2014-12-31","val":820000000,"accn":"0001193125-15-064862","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-26"},{"end":"2014-12-31","val":820000000,"accn":"0001193125-15-155546","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-29"},{"end":"2014-12-31","val":820000000,"accn":"0001193125-15-278166","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05"},{"end":"2014-12-31","val":820000000,"accn":"0001193125-15-365575","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-04"},{"end":"2014-12-31","val":820000000,"accn":"0001193125-16-477965","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-25","frame":"CY2014Q4I"},{"end":"2015-03-31","val":826000000,"accn":"0001193125-15-155546","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-04-29","frame":"CY2015Q1I"},{"end":"2015-06-30","val":835000000,"accn":"0001193125-15-278166","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-05","frame":"CY2015Q2I"},{"end":"2015-09-30","val":849000000,"accn":"0001193125-15-365575","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-04","frame":"CY2015Q3I"},{"end":"2015-12-31","val":857000000,"accn":"0001193125-16-477965","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-25"},{"end":"2015-12-31","val":857000000,"accn":"0001193125-16-576565","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-04"},{"end":"2015-12-31","val":857000000,"accn":"0001193125-16-669581","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-03"},{"end":"2015-12-31","val":857000000,"accn":"0001193125-16-756548","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-02"},{"end":"2015-12-31","val":857000000,"accn":"0001193125-17-053483","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-23","frame":"CY2015Q4I"},{"end":"2016-03-31","val":863000000,"accn":"0001193125-16-576565","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-06-30","val":872000000,"accn":"0001193125-16-669581","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-03","frame":"CY2016Q2I"},{"end":"2016-09-30","val":879000000,"accn":"0001193125-16-756548","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-02","frame":"CY2016Q3I"},{"end":"2016-12-31","val":880000000,"accn":"0001193125-17-053483","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-23"},{"end":"2016-12-31","val":880000000,"accn":"0001193125-17-155599","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-03"},{"end":"2016-12-31","val":880000000,"accn":"0001193125-17-245363","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-02"},{"end":"2016-12-31","val":880000000,"accn":"0001193125-17-320575","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26"},{"end":"2016-12-31","val":880000000,"accn":"0001193125-18-053619","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-22","frame":"CY2016Q4I"},{"end":"2017-03-31","val":877000000,"accn":"0001193125-17-155599","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-03","frame":"CY2017Q1I"},{"end":"2017-06-30","val":875000000,"accn":"0001193125-17-245363","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-02","frame":"CY2017Q2I"},{"end":"2017-09-30","val":873000000,"accn":"0001193125-17-320575","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-10-26","frame":"CY2017Q3I"},{"end":"2017-12-31","val":872000000,"accn":"0001193125-18-053619","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-22"},{"end":"2017-12-31","val":872000000,"accn":"0001193125-18-134094","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26","frame":"CY2017Q4I"},{"end":"2018-03-31","val":870000000,"accn":"0001193125-18-134094","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-04-26","frame":"CY2018Q1I"}]}},"TreasuryStockSharesAcquired":{"label":"Treasury Stock, Shares, Acquired","description":"Number of shares that have been repurchased during the period and are being held in 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y 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