CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Common Stock in Treasury
Beginning balance (in shares) at Dec. 31, 2021		1,158,672,666
Beginning balance at Dec. 31, 2021	$ 2,547	$ 12	$ 7,150	$ (4,388)	$ (25)	$ (202)
Beginning balance treasury stock (in share) at Dec. 31, 2021						44,353,224
Comprehensive income (loss):
Net income (loss)	(2,675)			(2,675)
Comprehensive income (loss)	(2,675)
Stock-based compensation	1		1
Performance units vested (in shares)		2,499,860
Performance units vested	12		12
Tax withholding - stock compensation (in shares)		(721,070)
Tax withholding – stock compensation	(4)		(4)
Ending balance (in shares) at Mar. 31, 2022		1,160,451,456
Ending balance at Mar. 31, 2022	(119)	$ 12	7,159	(7,063)	(25)	$ (202)
Ending balance treasury stock (in share) at Mar. 31, 2022						44,353,224
Beginning balance (in shares) at Dec. 31, 2022		1,161,545,588
Beginning balance at Dec. 31, 2022	$ 4,324	$ 12	7,172	(2,539)	6	$ (327)
Beginning balance treasury stock (in share) at Dec. 31, 2022	61,614,693					61,614,693
Comprehensive income (loss):
Net income (loss)	$ 1,939			1,939
Other comprehensive loss	(15)				(15)
Comprehensive income (loss)	1,924
Stock-based compensation	2		2
Restricted units vested (in shares)		1,999,039
Restricted units vested	8		8
Tax withholding - stock compensation (in shares)		(662,163)
Tax withholding – stock compensation	(4)		(4)
Ending balance (in shares) at Mar. 31, 2023		1,162,882,464
Ending balance at Mar. 31, 2023	$ 6,254	$ 12	$ 7,178	$ (600)	$ (9)	$ (327)
Ending balance treasury stock (in share) at Mar. 31, 2023	61,614,693					61,614,693