CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Millions, $ in Millions		Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)	Noncontrolling Interests
Changes in Equity
Balance at beginning of period (in shares)				(5)
Balance at beginning of period (in shares) at Dec. 31, 2021			797
Balance at beginning of period at Dec. 31, 2021		$ 21,813	$ 1,276	$ (200)	$ 17,981	$ (133)	$ 3,098	$ (209)
Changes in Equity
Net income (loss)		469					448	21
Other comprehensive income (loss)		121				121
Other comprehensive income (loss)	[1]	(439)					(439)
Distributions declared to noncontrolling interests		(59)						(59)
Cash calls requested from noncontrolling interests		30						30
Withholding of employee taxes related to stock-based compensation (in shares)				(1)
Withholding of employee taxes related to stock-based compensation		(36)		$ (36)
Acquisition of noncontrolling interests		(300)			(699)			399
Stock options exercised		14			14
Stock-based awards and related share issuances (in shares)			2
Stock-based awards and related share issuances		18	$ 2		16
Balance at end of period (in shares) at Mar. 31, 2022			799
Balance at end of period at Mar. 31, 2022		21,631	$ 1,278	$ (236)	17,312	(12)	3,107	182
Contingently redeemable noncontrolling interest, Balance at beginning of period at Dec. 31, 2021		48
Contingently Redeemable Noncontrolling Interest
Reclassification of contingently redeemable noncontrolling interests (Note 1)		(48)
Contingently redeemable noncontrolling interest, Balance at end of period at Mar. 31, 2022		0
Changes in Equity
Balance at beginning of period (in shares)				(6)
Balance at beginning of period (in shares)				(6)
Balance at beginning of period (in shares) at Dec. 31, 2022			799
Balance at beginning of period at Dec. 31, 2022		19,533	$ 1,279	$ (239)	17,369	29	916	179
Changes in Equity
Net income (loss)		363					351	12
Other comprehensive income (loss)		(6)				(6)
Other comprehensive income (loss)	[2]	(319)					(319)
Distributions declared to noncontrolling interests		(40)						(40)
Cash calls requested from noncontrolling interests		31						31
Withholding of employee taxes related to stock-based compensation (in shares)				(1)
Withholding of employee taxes related to stock-based compensation		(22)		$ (22)
Stock-based awards and related share issuances (in shares)			1
Stock-based awards and related share issuances		19	$ 2		17
Balance at end of period (in shares) at Mar. 31, 2023			800
Balance at end of period at Mar. 31, 2023		$ 19,559	$ 1,281	$ (261)	$ 17,386	$ 23	$ 948	$ 182
Changes in Equity
Balance at beginning of period (in shares)				(7)

[1] Cash dividends paid per common share were $0.55 for the three months ended March 31, 2022.

[2] Cash dividends paid per common share were $0.40 for the three months ended March 31, 2023.