Consolidated Statements of Stockholders' Equity (Deficit) - USD ($) $ in Millions	Total	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings (Deficit) [Member]	Equity Attributable to Noncontrolling Interests [Member]
Balances at Dec. 31, 2018	$ (2,918)	$ 3		$ (381)	$ (4,572)	$ 2,032
Balance, shares at Dec. 31, 2018		342,895,000
Comprehensive income (loss)	4,066			(79)	3,505	640
Repurchase of common stock	$ (1,031)		$ (302)		(729)
Repurchase of common stock, shares	(7,949,000)	(7,949,000)
Share-based benefit plans	$ 313		313
Share-based benefit plans, shares		3,500,000
Cash dividends declared	(555)				(555)
Distributions	(542)					(542)
Other	102		(11)			113
Balance at Dec. 31, 2019	(565)	$ 3		(460)	(2,351)	2,243
Balance, shares at Dec. 31, 2019		338,446,000
Comprehensive income (loss)	4,345			(42)	3,754	633
Repurchase of common stock	$ (441)				(441)
Repurchase of common stock, shares	(3,287,000)	(3,287,000)
Share-based benefit plans	$ 265		300		(35)
Share-based benefit plans, shares		4,267,000
Cash dividends declared	(150)				(150)
Distributions	(626)					(626)
Other	64		(6)			70
Balance at Dec. 31, 2020	2,892	$ 3	294	(502)	777	2,320
Balance, shares at Dec. 31, 2020		339,426,000
Comprehensive income (loss)	7,819			98	6,956	765
Repurchase of common stock	$ (8,215)		(578)		(7,637)
Repurchase of common stock, shares	(37,812,000)	(37,812,000)
Share-based benefit plans	$ 280		280
Share-based benefit plans, shares		3,863,000
Cash dividends declared	(628)				(628)
Distributions	(749)					(749)
Other	90		4			86
Balance at Dec. 31, 2021	$ 1,489	$ 3	$ 0	$ (404)	$ (532)	$ 2,422
Balance, shares at Dec. 31, 2021		305,477,000