Unaudited Condensed 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, 2022	$ 861			$ 1,404	$ 261	$ (82)	$ (722)
Beginning balance, shares at Dec. 31, 2022		12,799,999	146,891,538				(18,844,614)
Net income (loss)	(73)				(73)
Other comprehensive income (loss), net of tax	4					4
Issuance of common stock related to exercises of options and vesting of RSUs, shares			1,199,295
Withholding taxes on net share settlements of equity awards	(9)			(9)
Stock-based compensation	25			25
Ending balance at Mar. 31, 2023	808			1,420	188	(78)	$ (722)
Ending balance, shares at Mar. 31, 2023		12,799,999	148,090,833				(18,844,614)
Beginning balance at Dec. 31, 2023	$ 871			1,493	271	(71)	$ (822)
Beginning balance, shares at Dec. 31, 2023	124,881,494	12,799,999	149,775,361				(24,893,867)
Net income (loss)	$ (59)				(59)
Other comprehensive income (loss), net of tax	(7)					(7)
Issuance of common stock related to exercises of options and vesting of RSUs, shares			1,462,140
Withholding taxes on net share settlements of equity awards	(10)			(10)
Stock-based compensation	30			30
Ending balance at Mar. 31, 2024	$ 825			$ 1,513	$ 212	$ (78)	$ (822)
Ending balance, shares at Mar. 31, 2024	126,343,634	12,799,999	151,237,501				(24,893,867)