Condensed Combined Consolidated Statements of Equity (Unaudited) - USD ($) $ in Millions	Total		Common Stock [member]	Additional Paid-in Capital [member]	Retained Earnings [member]	Accumulated Other Comprehensive Loss [member]	Net Parent Investment [member]	Non-Controlling Interests [member]
Balance at Dec. 31, 2015	$ 2,797					$ (63)	$ 2,884	$ (24)
Net income	23	[1]					22	1
Other comprehensive income	9					9
Net transfers (to) from Parent	35						35
Distributions to noncontrolling interests	(2)							(2)
Cumulative effect of the adoption of ASU 2015-02	(2)						(3)	1
Balance at Mar. 31, 2016	2,860					(54)	2,938	(24)
Balance at Dec. 31, 2016	3,823					(67)	3,939	(49)
Net income	2,350				$ 2,350
Other comprehensive income	7					7
Net transfers (to) from Parent	(9)						(9)
Issuance of common stock and reclassification of former Parent investment			$ 2	$ 3,928			$ (3,930)
Issuance of common stock and reclassification of former Parent investment (shares)			198,000,000
Amortization of share-based compensation	2			2
Dividends	(202)			(110)	(92)
Dividends (Shares)			16,000,000
Balance at Mar. 31, 2017	$ 5,971		$ 2	$ 3,820	$ 2,258	$ (60)		$ (49)
Balance (shares) at Mar. 31, 2017	214,767,295		214,000,000

[1] Prior to the spin-off, we had one operating and reportable segment, our ownership segment. Prior period presentation has been restated to reflect our current reportable segment.