Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Goodwill Rollforward) (Details) - USD ($) $ in Millions				12 Months Ended
	Oct. 12, 2016	Jun. 22, 2016	Dec. 16, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Goodwill				$ 1,550	$ 1,694
Impairment in goodwill				102	227
Goodwill				1,430	1,550	$ 1,694
Wholesale Segment [Member]
Goodwill [Roll Forward]
Goodwill				770	687
Impairment in goodwill				0	0
Goodwill				752	770	687
Retail Segment [Member]
Goodwill [Roll Forward]
Goodwill				780	1,007
Impairment in goodwill				(102)	227
Goodwill				678	780	1,007
ETP Merger [Member] \| Retail Segment [Member]
Goodwill [Roll Forward]
Goodwil adjustments related to acquisition					0
Alta East, Inc [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition			$ 19
Goodwil adjustments related to acquisition					2
Alta East, Inc [Member] \| Wholesale Segment [Member]
Goodwill [Roll Forward]
Goodwil adjustments related to acquisition					2
Kolkhorst Petroleum Inc [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition		$ 19
Goodwil adjustments related to acquisition					3
Kolkhorst Petroleum Inc [Member] \| Wholesale Segment [Member]
Goodwill [Roll Forward]
Goodwil adjustments related to acquisition					3
Kolkhorst Petroleum Inc [Member] \| Retail Segment [Member]
Goodwill [Roll Forward]
Goodwil adjustments related to acquisition					0
Valentine Stores Inc [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition		$ 42
Emerge Energy Services L P [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition					78
Goodwil adjustments related to acquisition				(25)
Emerge Energy Services L P [Member] \| Wholesale Segment [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition					78
Goodwil adjustments related to acquisition				(25)
Emerge Energy Services L P [Member] \| Retail Segment [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition				0	$ 0
Denny Oil Company [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition	$ 19
Goodwil adjustments related to acquisition				7
Denny Oil Company [Member] \| Wholesale Segment [Member]
Goodwill [Roll Forward]
Goodwil adjustments related to acquisition				7
Denny Oil Company [Member] \| Retail Segment [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition				$ 0
Other Acquisition [Member]
Goodwill [Roll Forward]
Goodwill related to acquisition						$ 13