Related Party Transactions Related Party A/R and A/P (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Total accounts receivable from related companies:	$ 144	$ 268
Total accounts payable to related companies:	19	25
Long-term notes payable – related companies	(83)	(233)
Net Related Party Receivable (Payable)	(34)	(233)
ETE
Total accounts receivable from related companies:	31	110
Total accounts payable to related companies:	6	1
Sunoco LP
Notes Receivable, Related Parties, Noncurrent	49
Total accounts receivable from related companies:	26	3
Total accounts payable to related companies:	10	5
Long-term notes payable – related companies		(233)
PES
Total accounts receivable from related companies:	8	10
FGT
Total accounts receivable from related companies:	13	13
Total accounts payable to related companies:	1	1
Lake Charles LNG
Total accounts receivable from related companies:	41	36
Total accounts payable to related companies:	2	3
Trans-Pecos Pipeline, LLC
Total accounts receivable from related companies:	1	29
Comanche Trail Pipeline, LLC
Total accounts receivable from related companies:	0	22
Other
Total accounts receivable from related companies:	24	45
Total accounts payable to related companies:	0	15
Phillips 66 Partners LP [Member]
Long-term notes payable – related companies	$ (83)	$ 0