Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Class B Common Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance at Dec. 31, 2020	$ 886			$ 1,253	$ 389	$ (34)	$ (722)
Beginning balance, shares at Dec. 31, 2020		12,799,999	140,775,221				(18,844,614)
Net Income (Loss)	(148)				(148)
Other comprehensive income (loss), net of tax	(22)					(22)
Issuance of common stock related to exercise of options and vesting of RSUs	8			8
Issuance of common stock related to exercise of options and vesting of RSUs, shares			3,881,428
Purchase of capped calls, net of tax of $9 million (Note 8)	(26)			(26)
Withholding taxes on net share settlements of equity awards	(44)			(44)
Stock-based compensation (Note 13)	135			135
Ending balance at Dec. 31, 2021	789			1,326	241	(56)	$ (722)
Ending balance, shares at Dec. 31, 2021		12,799,999	144,656,649				(18,844,614)
Net Income (Loss)	20				20
Other comprehensive income (loss), net of tax	(26)					(26)
Issuance of common stock related to exercise of options and vesting of RSUs, shares			2,234,889
Withholding taxes on net share settlements of equity awards	(20)			(20)
Stock-based compensation (Note 13)	98			98
Ending balance at Dec. 31, 2022	$ 861			1,404	261	(82)	$ (722)
Ending balance, shares at Dec. 31, 2022	128,046,924	12,799,999	146,891,538				(18,844,614)
Net Income (Loss)	$ 10				10
Other comprehensive income (loss), net of tax	11					11
Issuance of common stock related to vesting of RSUs, shares			2,883,823
Repurchase of common stock (Note 14)	(100)						$ (100)
Repurchase of common stock, shares							(6,049,253)
Withholding taxes on net share settlements of equity awards	(17)			(17)
Stock-based compensation (Note 13)	106			106
Ending balance at Dec. 31, 2023	$ 871			$ 1,493	$ 271	$ (71)	$ (822)
Ending balance, shares at Dec. 31, 2023	124,881,494	12,799,999	149,775,361				(24,893,867)