Other Income (Loss), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Component of Other Income (Loss), Net [Line Items]
Other income, net	$ 13	$ 37	$ 53	$ 29
Realized and unrealized gain (loss) on derivatives, net
Component of Other Income (Loss), Net [Line Items]
Other income, net	(2)	12	(5)	(52)
(Loss) gain on disposition of assets
Component of Other Income (Loss), Net [Line Items]
Other income, net	(1)	19	10	39
Loss on extinguishment of debt
Component of Other Income (Loss), Net [Line Items]
Other income, net	0	0	(5)	(2)
Equity earnings from non-consolidated affiliates
Component of Other Income (Loss), Net [Line Items]
Other income, net	12	11	48	43
Gain on acquisition [Member]
Component of Other Income (Loss), Net [Line Items]
Other income, net	0	(1)	0	2
Foreign currency translation loss
Component of Other Income (Loss), Net [Line Items]
Other income, net	(2)	(6)	(4)	(8)
Other
Component of Other Income (Loss), Net [Line Items]
Other income, net	$ 6	$ 2	$ 9	$ 7