STATEMENTS OF CONDENSED CONSOLIDATED EQUITY (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	(Accumulated Deficit) Retained Earnings	Accumulated Other Comprehensive Loss	[1]	Noncontrolling Interest in Consolidated Subsidiaries
Beginning balance (in shares) at Dec. 31, 2021		376,399
Beginning balance at Dec. 31, 2021	$ 9,970,999	$ 10,071,820	$ (18,046)	$ (94,400)	$ (4,611)		$ 16,236
Comprehensive income (loss), net of tax:
Net (loss) income	(1,514,583)			(1,516,048)			1,465
Other post-retirement benefits liability adjustment, net of tax expense	63				63
Dividends	(47,063)			(47,063)
Share-based compensation plans (in shares)		1,207
Share-based compensation plans	(3,022)	$ (18,220)	15,198
Convertible Notes settlements (in shares)		1
Convertible Notes settlements	8	$ 8
Repurchase and retirement of common stock (in shares)		(8,533)
Repurchase and retirement of common stock	(200,028)	$ (132,260)		(67,768)
Distribution to noncontrolling interest	(341)						(341)
Ending balance (in shares) at Mar. 31, 2022		369,074
Ending balance at Mar. 31, 2022	8,206,033	$ 9,921,348	(2,848)	(1,725,279)	(4,548)		17,360
Beginning balance (in shares) at Dec. 31, 2022		365,363
Beginning balance at Dec. 31, 2022	11,213,328	$ 9,891,890	0	1,283,578	(2,994)		40,854
Comprehensive income (loss), net of tax:
Net (loss) income	1,219,233			1,218,548			685
Other post-retirement benefits liability adjustment, net of tax expense	164				164
Dividends	(54,070)			(54,070)
Share-based compensation plans (in shares)		2,127
Share-based compensation plans	(24,023)	$ (24,023)
Convertible Notes settlements (in shares)		2
Convertible Notes settlements	70	$ 70
Repurchase and retirement of common stock (in shares)		(5,906)
Repurchase and retirement of common stock	(201,029)	$ (91,545)		(109,484)
Distribution to noncontrolling interest	(3,835)						(3,835)
Contribution from noncontrolling interest	3,750						3,750
Ending balance (in shares) at Mar. 31, 2023		361,586
Ending balance at Mar. 31, 2023	$ 12,153,588	$ 9,776,392	$ 0	$ 2,338,572	$ (2,830)		$ 41,454

[1] Amounts included in accumulated other comprehensive loss are related to other postretirement benefits liability adjustments, net of tax, which are attributable to net actuarial losses and net prior service costs.