XML 124 R106.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, 2017
Dec. 31, 2016
Dec. 31, 2015
Segment Reporting Information [Line Items]      
Equity in earnings from unconsolidated affiliates $ 144 $ 270 [1] $ 276 [1]
Investment In ETP [Member]      
Segment Reporting Information [Line Items]      
Equity in earnings from unconsolidated affiliates 156 59 469
Adjustments and Eliminations [Member]      
Segment Reporting Information [Line Items]      
Equity in earnings from unconsolidated affiliates $ (12) $ 211 $ (193)
[1] * As adjusted. See Note 2.