CONSOLIDATED STATEMENTS OF 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 Income (Loss)	Noncontrolling Interests
Beginning balance at Dec. 31, 2021	$ 197
Increase (Decrease) in Temporary Equity
Distributions to noncontrolling interests	(5)
Deconsolidation of subsidiary	(16)
Net income	14
Ending balance at Sep. 30, 2022	190
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	(53)						(53)
Repurchases of Class A Common Stock (in shares)				(4,547,370)
Repurchases of Class A Common Stock	(114)					(114)
Class A Common Stock issued pursuant to employee benefit plans (in shares)				1,306,993
Class A Common Stock issued pursuant to employee benefit plans	46					46
Distributions to noncontrolling interests	(10)								(10)
Other comprehensive income	3							3
Deconsolidation of subsidiary	(151)							(3)	(148)
Net (loss) income	2,625						2,597		28
Ending balance (in shares) at Sep. 30, 2022				46,073,926	23,775,056
Ending balance at Sep. 30, 2022	640			$ 1	$ 0	623	84	(2)	(66)
Beginning balance at Jun. 30, 2022	187
Increase (Decrease) in Temporary Equity
Distributions to noncontrolling interests	(2)
Net income	5
Ending balance at Sep. 30, 2022	190
Beginning balance (in shares) at Jun. 30, 2022				46,470,546	23,775,056
Beginning balance at Jun. 30, 2022	642			$ 1	$ 0	628	79	(2)	(64)
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock	(16)						(16)
Repurchases of Class A Common Stock (in shares)				(489,051)
Repurchases of Class A Common Stock	(10)					(10)
Class A Common Stock issued pursuant to employee benefit plans (in shares)				92,431
Class A Common Stock issued pursuant to employee benefit plans	5					5
Distributions to noncontrolling interests	(5)								(5)
Net (loss) income	24						21		3
Ending balance (in shares) at Sep. 30, 2022				46,073,926	23,775,056
Ending balance at Sep. 30, 2022	640			$ 1	$ 0	623	84	(2)	(66)
Beginning balance at Dec. 31, 2022	194
Increase (Decrease) in Temporary Equity
Redemption, net	(190)
Net income	(4)
Ending balance at Sep. 30, 2023	0
Beginning balance (in shares) at Dec. 31, 2022		45,847,879	23,775,056	45,847,879	23,775,056
Beginning balance at Dec. 31, 2022	681			$ 1	$ 0	624	122	1	(67)
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock	(50)						(50)
Repurchases 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)				2,586,402
Class A Common Stock issued pursuant to employee benefit plans	43					43
Distributions to noncontrolling interests	(10)								(10)
Other comprehensive income	8							8
Net (loss) income	65						50		15
Ending balance (in shares) at Sep. 30, 2023		39,649,259	23,775,056	39,649,259	23,775,056
Ending balance at Sep. 30, 2023	584			$ 1	$ 0	514	122	9	(62)
Increase (Decrease) in Temporary Equity
Net income	0
Ending balance at Sep. 30, 2023	0
Beginning balance (in shares) at Jun. 30, 2023				39,274,843	23,775,056
Beginning balance at Jun. 30, 2023	641			$ 1	$ 0	510	184	7	(61)
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock	(16)						(16)
Class A Common Stock issued pursuant to employee benefit plans (in shares)				374,416
Class A Common Stock issued pursuant to employee benefit plans	4					4
Distributions to noncontrolling interests	(2)								(2)
Other comprehensive income	2							2
Net (loss) income	(45)						(46)		1
Ending balance (in shares) at Sep. 30, 2023		39,649,259	23,775,056	39,649,259	23,775,056
Ending balance at Sep. 30, 2023	$ 584			$ 1	$ 0	$ 514	$ 122	$ 9	$ (62)