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Estimates (Schedule Of Goodwill) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Goodwill [Roll Forward] |  |
Goodwill | $ 5,485 | $ 5,871
Goodwill acquired | 509 | 23
Goodwill | 5,170 | 5,485
Goodwill impairment | (826) | (205)
Goodwill, Other Changes | 2 | (204)
Goodwill, Written off Related to Sale of Business Unit | 0 | 0
Investment In ETP [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 5,428 | 7,642
Goodwill acquired | 428 | 0
Goodwill | 3,897 | 5,428
Goodwill impairment | (670) | (205)
Goodwill, Other Changes | 0 | 9
Goodwill, Written off Related to Sale of Business Unit | (1,289) | (2,018)
Investment In Sunoco LP [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 1,123 | 1,149
Goodwill acquired | 81 | 23
Goodwill | 1,050 | 1,123
Goodwill impairment | (156) | 0
Goodwill, Other Changes | 2 | (49)
Goodwill, Written off Related to Sale of Business Unit | 0 | 0
Investment in Lake Charles LNG [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | 184 | 184
Goodwill acquired | 0 | 0
Goodwill | 184 | 184
Goodwill impairment | 0 | 0
Goodwill, Other Changes | 0 | 0
Goodwill, Written off Related to Sale of Business Unit | 0 | 0
Corporate, Other and Eliminations [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill | (1,250) | (3,104)
Goodwill acquired | 0 | 0
Goodwill | 39 | (1,250)
Goodwill impairment | 0 | 0
Goodwill, Other Changes | 0 | (164)
Goodwill, Written off Related to Sale of Business Unit | $ 1,289 | $ 2,018

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