Consolidated Statement of Equity (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Accumulated Deficit	AOCI Attributable to Parent [Member]	Common Stock Held in Treasury	Total Stockholder's Equity	Noncontrolling Interests
Balance (in shares) at Dec. 31, 2020		1,590.0				132.0
Balance at Dec. 31, 2020	$ 18,668	$ 159	$ 26,037	$ (11,681)	$ (583)	$ (3,758)	$ 10,174	$ 8,494
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards (in shares)	11.0
Exercised and issued stock-based awards	$ 190	$ 1	189				190
Stock-based compensation, including the tender of shares	41		64			$ (19)	45	(4)
Dividends	(520)		(333)				(333)	(187)
Net loss attributable to common stockholders	3,200			3,200			3,200
Net income (loss) attributable to noncontrolling interests	807							807
Other comprehensive income	10				11		11	(1)
Balance (in shares) at Sep. 30, 2021		1,601.0				133.0
Balance at Sep. 30, 2021	22,531	$ 160	26,023	(8,481)	(572)	$ (3,777)	13,353	9,178
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation, including the tender of shares (in shares)						1.0
Contributions from noncontrolling interests	135		66				66	69
Balance (in shares) at Jun. 30, 2021		1,601.0				133.0
Balance at Jun. 30, 2021	20,935	$ 160	26,084	(9,880)	(576)	$ (3,777)	12,011	8,924
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	6		6				6
Stock-based compensation, including the tender of shares	21		21				21
Dividends	(205)		(111)				(111)	(94)
Net loss attributable to common stockholders	1,399			1,399			1,399
Net income (loss) attributable to noncontrolling interests	324							324
Other comprehensive income	4				4		4
Balance (in shares) at Sep. 30, 2021		1,601.0				133.0
Balance at Sep. 30, 2021	22,531	$ 160	26,023	(8,481)	(572)	$ (3,777)	13,353	9,178
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions from noncontrolling interests	47		23				23	24
Balance (in shares) at Dec. 31, 2021		1,603.0				146.0
Balance at Dec. 31, 2021	$ 23,019	$ 160	25,875	(7,375)	(388)	$ (4,292)	13,980	9,039
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards (in shares)	9.0
Exercised and issued stock-based awards	$ 113	$ 1	112				113
Stock-based compensation, including the tender of shares	$ 2		75			$ (62)	13	(11)
Treasury stock purchases (in shares)	35.1					35.0
Treasury stock purchases	$ (1,347)					$ (1,347)	(1,347)
Dividends	(1,253)		(648)				(648)	(605)
Net loss attributable to common stockholders	2,771			2,771			2,771
Net income (loss) attributable to noncontrolling interests	731							731
Other comprehensive income	3				3		3
Balance (in shares) at Sep. 30, 2022		1,612.0				183.0
Balance at Sep. 30, 2022	24,181	$ 161	25,483	(4,604)	(385)	$ (5,701)	14,954	9,227
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation, including the tender of shares (in shares)						2.0
Contributions from noncontrolling interests	142		69				69	73
Balance (in shares) at Jun. 30, 2022		1,612.0				177.0
Balance at Jun. 30, 2022	24,047	$ 161	25,661	(5,008)	(386)	$ (5,539)	14,889	9,158
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation, including the tender of shares	12		12				12
Treasury stock purchases (in shares)						6.0
Treasury stock purchases	(162)					$ (162)	(162)
Dividends	(325)		(213)				(213)	(112)
Net loss attributable to common stockholders	404			404			404
Net income (loss) attributable to noncontrolling interests	156							156
Other comprehensive income	1				1		1
Balance (in shares) at Sep. 30, 2022		1,612.0				183.0
Balance at Sep. 30, 2022	24,181	$ 161	25,483	$ (4,604)	$ (385)	$ (5,701)	14,954	9,227
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions from noncontrolling interests	$ 48		$ 23				$ 23	$ 25