Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Income
Beginning balance (in shares) at Dec. 31, 2018		117
Beginning balance at Dec. 31, 2018	$ 495	$ 1	$ 1,418	$ (823)	$ (101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(20)			(20)
Employee stock compensation, employee stock purchase programs and option exercises, net of tax (in shares)		2
Employee stock compensation, employee stock purchase programs and option exercises, net of tax	127		127
Repurchases of common stock, retired (in shares)		(8)
Repurchases of common stock, retired	(300)			(300)
Pension and postemployment benefit plans, net of tax	(21)				(21)
Unrealized gain on derivatives, net of tax	(9)				(9)
Currency translation adjustment	(10)				(10)
Ending balance (in shares) at Dec. 31, 2019		111
Ending balance at Dec. 31, 2019	262	$ 1	1,545	(1,143)	(141)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	129			129
Employee stock compensation, employee stock purchase programs and option exercises, net of tax (in shares)		2
Employee stock compensation, employee stock purchase programs and option exercises, net of tax	111		111
Repurchases of common stock, retired (in shares)		(5)
Repurchases of common stock, retired	(100)			(100)
Pension and postemployment benefit plans, net of tax	(3)				(3)
Unrealized gain on derivatives, net of tax	(6)				(6)
Currency translation adjustment	7				7
Ending balance (in shares) at Dec. 31, 2020		108
Ending balance at Dec. 31, 2020	400	$ 1	1,656	(1,114)	(143)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	147			147
Employee stock compensation, employee stock purchase programs and option exercises, net of tax (in shares)		5
Employee stock compensation, employee stock purchase programs and option exercises, net of tax	152		152
Repurchases of common stock, retired (in shares)		(6)
Repurchases of common stock, retired	(244)			(244)
Pension and postemployment benefit plans, net of tax	6				6
Unrealized gain on derivatives, net of tax	11				11
Currency translation adjustment	(12)				(12)
Ending balance (in shares) at Dec. 31, 2021		107
Ending balance at Dec. 31, 2021	$ 460	$ 1	$ 1,808	$ (1,211)	$ (138)