CONSOLIDATED STATEMENT OF (DEFICIT) EQUITY 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	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interests
Beginning balance at Dec. 31, 2021	$ 197
Redeemable Noncontrolling Interests
Distributions to noncontrolling interests, net	(7)
Deconsolidation of subsidiary	(16)
Net (loss) income	20
Ending balance at Dec. 31, 2022	194
Beginning balance (in shares) at Dec. 31, 2021				49,314,303	23,775,056
Beginning balance at Dec. 31, 2021	(1,706)			$ 1	$ 0	$ 691	$ (2,460)	$ (2)	$ 64
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	6							6
Deconsolidation of subsidiary	(151)							(3)	(148)
Net (loss) income	2,681						2,652		29
Ending balance (in shares) at Dec. 31, 2022				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 (loss) income	(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 (loss) income	(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)
Redeemable Noncontrolling Interests
Net (loss) income	0
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock	(66)						(66)
Class A Common Stock issued pursuant to employee benefit plans (in shares)				2,904,444
Class A Common Stock issued pursuant to employee benefit plans	53					53
Distributions to noncontrolling interests, net	(12)								(12)
Other comprehensive income	1							1
Net (loss) income	319						310		9
Ending balance (in shares) at Dec. 31, 2024		42,642,126	23,775,056	42,642,126	23,775,056
Ending balance at Dec. 31, 2024	$ 516			$ 1	$ 0	$ 570	$ 10	$ 2	$ (67)