CONSOLIDATED STATEMENTS OF MEMBER'S EQUITY (DEFICIT) AND REDEEMABLE NONCONTROLLING INTERESTS - USD ($) $ in Millions	Total	Class A Common Stock	Class B Common Stock	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-In Capital	(Accumulated Deficit) Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interests
Beginning balance at Dec. 31, 2020	$ 190
Redeemable Noncontrolling Interests
Distributions to noncontrolling interests, net	(11)
Net income (loss)	18
Ending balance at Dec. 31, 2021	197
Beginning balance (in shares) at Dec. 31, 2020				49,252,671	24,727,682
Beginning balance at Dec. 31, 2020	(1,185)			$ 1	$ 0	$ 721	$ (1,986)	$ (10)	$ 89
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock	(60)						(60)
Class B Common Stock converted into Class A Common Stock (in shares)				952,626	(952,626)
Repurchase of Class A Common Stock (in shares)				(2,438,585)
Repurchases of Class A Common Stock	(61)					(61)
Class A Common Stock issued pursuant to employee benefit plans (in shares)				1,547,591
Class A Common Stock issued pursuant to employee benefit plans	31					31
Distributions to noncontrolling interests, net	(95)								(95)
Other comprehensive income (loss)	8							8
Net income (loss)	(344)						(414)		70
Ending balance (in shares) at Dec. 31, 2021				49,314,303	23,775,056
Ending balance at Dec. 31, 2021	(1,706)			$ 1	$ 0	691	(2,460)	(2)	64
Redeemable Noncontrolling Interests
Distributions to noncontrolling interests, net	(7)
Deconsolidation of subsidiary	(16)
Net income (loss)	20
Ending balance at Dec. 31, 2022	194
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock	(70)						(70)
Repurchase of Class A Common Stock (in shares)				(4,850,398)
Repurchases of Class A Common Stock	(120)					(120)
Class A Common Stock issued pursuant to employee benefit plans (in shares)				1,383,974
Class A Common Stock issued pursuant to employee benefit plans	53					53
Distributions to noncontrolling interests, net	(12)								(12)
Other comprehensive income (loss)	6							6
Deconsolidation of subsidiary	(151)							(3)	(148)
Net income (loss)	2,681						2,652		29
Ending balance (in shares) at Dec. 31, 2022		45,847,879	23,775,056	45,847,879	23,775,056
Ending balance at Dec. 31, 2022	681			$ 1	$ 0	624	122	1	(67)
Redeemable Noncontrolling Interests
Redemption, net	(190)
Net income (loss)	(4)
Ending balance at Dec. 31, 2023	0
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock	(65)						(65)
Repurchase of Class A Common Stock (in shares)				(8,785,022)
Repurchases of Class A Common Stock	(153)					(153)
Class A Common Stock issued pursuant to employee benefit plans (in shares)				2,674,825
Class A Common Stock issued pursuant to employee benefit plans	46					46
Distributions to noncontrolling interests, net	(13)								(13)
Net income (loss)	(275)						(291)		16
Ending balance (in shares) at Dec. 31, 2023		39,737,682	23,775,056	39,737,682	23,775,056
Ending balance at Dec. 31, 2023	$ 221			$ 1	$ 0	$ 517	$ (234)	$ 1	$ (64)