CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2016	$ 469	$ 14	$ 807	$ (62)	$ (289)	$ 1
Beginning balance, shares at Dec. 31, 2016		136				6
Stock-based compensation expense	18		18
Dividend declared	(132)				(132)
Shares repurchased for tax withholdings for vested stock awards	(4)		(4)
Shares issued in non-vested stock award, shares						(1)
Other	1				1
Comprehensive income, net of income taxes	64			7	57
Ending balance at Dec. 31, 2017	427	$ 14	822	(55)	(353)	$ 1
Ending balance, shares at Dec. 31, 2017		136				5
Stock-based compensation expense	24		24
Dividend declared	(133)				(133)
Shares repurchased for tax withholdings for vested stock awards	(6)		(6)
Other	0		1		(1)
Comprehensive income, net of income taxes	174			22	152
Ending balance at Dec. 31, 2018	487	$ 14	841	(33)	(334)	$ 1
Ending balance, shares at Dec. 31, 2018		136				5
Stock-based compensation expense	25		25
Dividend declared	(135)				(135)
Shares repurchased for tax withholdings for vested stock awards	(8)		(8)
Shares issued in non-vested stock award	1					$ 1
Other	(1)		1		0
Comprehensive income, net of income taxes	7			(3)	10
Ending balance at Dec. 31, 2019	$ 376	$ 14	$ 857	$ (35)	$ (460)	$ 0
Ending balance, shares at Dec. 31, 2019		136				5