CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE NON-CONTROLLING INTERESTS AND EQUITY (unaudited) - USD ($) shares in Millions, $ in Millions	Total	Redeemable Noncontrolling Interests	Class A and Class B Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Noncontrolling Interests
Equity, including portion attributable to noncontrolling interest, beginning balance at Dec. 31, 2022	$ 2,414	$ 0	$ 0	$ 8,154	$ 3	$ (5,743)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	91					91
Foreign currency translation adjustments, net of tax	(19)				(19)
Actuarial gain on defined severance benefits, net of tax	1				1
Issuance of common stock upon exercise of stock options	3			3
Issuance of common stock upon settlement of restricted stock units	0
Equity-based compensation	70			70
Equity, including portion attributable to noncontrolling interest, ending balance at Mar. 31, 2023	2,560	0	$ 0	8,227	(15)	(5,652)	0
Beginning balance (in shares) at Dec. 31, 2022			1,773
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issuance of common stock upon exercise of stock options (in shares)			1
Issuance of common stock upon settlement of restricted stock units (in shares)			3
Ending balance (in shares) at Mar. 31, 2023			1,777
Equity, including portion attributable to noncontrolling interest, beginning balance at Dec. 31, 2022	2,414	0	$ 0	8,154	3	(5,743)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustments, net of tax	(27)
Equity, including portion attributable to noncontrolling interest, ending balance at Jun. 30, 2023	2,775	0	$ 0	8,315	(33)	(5,507)	0
Beginning balance (in shares) at Dec. 31, 2022			1,773
Ending balance (in shares) at Jun. 30, 2023			1,781
Equity, including portion attributable to noncontrolling interest, beginning balance at Mar. 31, 2023	2,560	0	$ 0	8,227	(15)	(5,652)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	145					145
Foreign currency translation adjustments, net of tax	(8)				(8)
Actuarial gain on defined severance benefits, net of tax	(10)				(10)
Issuance of common stock upon exercise of stock options	2			2
Issuance of common stock upon settlement of restricted stock units	0
Equity-based compensation	86			86
Equity, including portion attributable to noncontrolling interest, ending balance at Jun. 30, 2023	2,775	0	$ 0	8,315	(33)	(5,507)	0
Beginning balance (in shares) at Mar. 31, 2023			1,777
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issuance of common stock upon exercise of stock options (in shares)			1
Issuance of common stock upon settlement of restricted stock units (in shares)			3
Ending balance (in shares) at Jun. 30, 2023			1,781
Equity, including portion attributable to noncontrolling interest, beginning balance at Dec. 31, 2023	4,089	15	$ 0	8,489	(17)	(4,383)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	1	(25)				5	(4)
Capital contributions from noncontrolling interest holders	0	55
Recognition of noncontrolling interest upon acquisition	10	69					10
Foreign currency translation adjustments, net of tax	(105)				(105)
Actuarial gain on defined severance benefits, net of tax	1				1
Issuance of common stock upon exercise of stock options	1			1
Issuance of common stock upon settlement of restricted stock units	0
Equity-based compensation	88			88
Equity, including portion attributable to noncontrolling interest, ending balance at Mar. 31, 2024	4,085	114	$ 0	8,578	(121)	(4,378)	6
Beginning balance (in shares) at Dec. 31, 2023			1,791
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon settlement of restricted stock units (in shares)			4
Ending balance (in shares) at Mar. 31, 2024			1,795
Equity, including portion attributable to noncontrolling interest, beginning balance at Dec. 31, 2023	4,089	15	$ 0	8,489	(17)	(4,383)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Foreign currency translation adjustments, net of tax	(184)
Equity, including portion attributable to noncontrolling interest, ending balance at Jun. 30, 2024	3,855	92	$ 0	8,509	(198)	(4,455)	(1)
Beginning balance (in shares) at Dec. 31, 2023			1,791
Ending balance (in shares) at Jun. 30, 2024			1,790
Equity, including portion attributable to noncontrolling interest, beginning balance at Mar. 31, 2024	4,085	114	$ 0	8,578	(121)	(4,378)	6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(84)	(21)				(77)	(7)
Foreign currency translation adjustments, net of tax	(79)	(1)			(79)
Actuarial gain on defined severance benefits, net of tax	2				2
Issuance of common stock upon exercise of stock options	0
Issuance of common stock upon settlement of restricted stock units	0
Repurchase of Class A common stock	(178)			(178)
Equity-based compensation	109			109
Equity, including portion attributable to noncontrolling interest, ending balance at Jun. 30, 2024	$ 3,855	$ 92	$ 0	$ 8,509	$ (198)	$ (4,455)	$ (1)
Beginning balance (in shares) at Mar. 31, 2024			1,795
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issuance of common stock upon exercise of stock options (in shares)			1
Issuance of common stock upon settlement of restricted stock units (in shares)			4
Stock repurchased during period (in shares)			(10)
Ending balance (in shares) at Jun. 30, 2024			1,790