XML 118 R107.htm IDEA: XBRL DOCUMENT v3.8.0.1
Reportable Segments (Equity in earnings of unconsolidated affiliates) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting Information [Line Items]      
Equity in earnings from unconsolidated affiliates $ 270 $ 276 $ 332
Investment In ETP [Member]      
Segment Reporting Information [Line Items]      
Equity in earnings from unconsolidated affiliates 336 469 332
Adjustments and Eliminations [Member]      
Segment Reporting Information [Line Items]      
Equity in earnings from unconsolidated affiliates $ (66) $ (193) $ 0