CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	COMMON STOCK	ADDITIONAL PAID-IN CAPITAL	ACCUMULATED OTHER COMPREHENSIVE LOSS	ACCUMULATED DEFICIT
Balance at beginning of period at Dec. 31, 2022		$ 1,002	$ 18,080	$ (1,099)	$ (7,609)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock through incentive and benefit plans		3
Shares withheld to satisfy tax withholdings			(4)
Stock-based compensation			14
Other			4
Other comprehensive income	$ 30			30
Net income	511				511
Balance at end of period at Mar. 31, 2023	10,932	1,005	18,094	(1,069)	(7,098)
Balance at beginning of period at Dec. 31, 2023	417	1,008	18,126	(810)	(17,907)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock through incentive and benefit plans		8
Shares withheld to satisfy tax withholdings			(1)
Stock-based compensation			14
Other			(2)
Other comprehensive income	11			11
Net income	57				57
Balance at end of period at Mar. 31, 2024	$ 504	$ 1,016	$ 18,137	$ (799)	$ (17,850)