Consolidated Statements of Equity and Redeemable Equity - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Retained Earnings	Non- Redeemable Non- Controlling Interests
Balance at beginning of period at Dec. 31, 2020		$ 1	$ 1,150	$ (1,024)	$ (1,133)	$ 3,957	$ 21
Increase (Decrease) in Stockholders' Equity
Net income (loss)						117	11
Dividends declared						(175)	(11)
Repurchases of common stock, net				(68)
Share-based compensation, net of issuance			8	31
Other comprehensive (loss)					236		(3)
Balance at end of period at Dec. 31, 2021		1	1,158	(1,061)	(897)	3,899	18
Share-based payments subject to redemption, beginning balance at Dec. 31, 2020	$ 30
Increase (Decrease) in Temporary Equity
Share-based compensation, net of issuance	6
Share-based payments subject to redemption, ending balance at Dec. 31, 2021	36
Redeemable non-controlling interests, beginning balance at Dec. 31, 2020	70
Increase (Decrease) in Temporary Equity
Net income (loss) attributable to non-controlling interests	(3)
Other comprehensive income (loss)	4
Redeemable non-controlling interests, ending balance at Dec. 31, 2021	71
Increase (Decrease) in Stockholders' Equity
Net income (loss)						492	9
Dividends declared						(181)	(5)
Repurchases of common stock, net				(112)
Share-based compensation, net of issuance			3	25
Fair market value adjustment to non-controlling interests			(29)
Other comprehensive (loss)					(151)		(6)
Balance at end of period at Dec. 31, 2022	3,163	1	1,132	(1,148)	(1,048)	4,210	16
Increase (Decrease) in Temporary Equity
Share-based compensation, net of issuance	12
Share-based payments subject to redemption, ending balance at Dec. 31, 2022	48
Increase (Decrease) in Temporary Equity
Net income (loss) attributable to non-controlling interests	1
Fair market value adjustment to non-controlling interests	29
Non-controlling interest purchases	(46)
Other comprehensive income (loss)	(4)
Redeemable non-controlling interests, ending balance at Dec. 31, 2022	51
Increase (Decrease) in Stockholders' Equity
Net income (loss)						643	7
Dividends declared						(199)	(3)
Repurchases of common stock, net				(101)
Share-based compensation, net of issuance			7	42
Fair market value adjustment to non-controlling interests			7
Other comprehensive (loss)					(8)		(6)
Balance at end of period at Dec. 31, 2023	3,552	$ 1	$ 1,146	$ (1,207)	$ (1,056)	$ 4,654	$ 14
Increase (Decrease) in Temporary Equity
Share-based compensation, net of issuance	7
Share-based payments subject to redemption, ending balance at Dec. 31, 2023	55
Increase (Decrease) in Temporary Equity
Net income (loss) attributable to non-controlling interests	1
Fair market value adjustment to non-controlling interests	(7)
Non-controlling interest purchases	(2)
Other comprehensive income (loss)	0
Redeemable non-controlling interests, ending balance at Dec. 31, 2023	$ 43