CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions		Total	Revision of Prior Period, Adjustment	Cumulative Effect, Period of Adoption, Adjusted Balance	Common Shares	Common Shares Cumulative Effect, Period of Adoption, Adjusted Balance	Treasury Stock	Treasury Stock Cumulative Effect, Period of Adoption, Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Revision of Prior Period, Adjustment	Additional Paid-in Capital Cumulative Effect, Period of Adoption, Adjusted Balance	Retained Earnings	Retained Earnings Revision of Prior Period, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Revision of Prior Period, Adjustment	Accumulated Other Comprehensive Income (Loss) Cumulative Effect, Period of Adoption, Adjusted Balance	Noncontrolling Interests	Noncontrolling Interests Revision of Prior Period, Adjustment	Noncontrolling Interests Cumulative Effect, Period of Adoption, Adjusted Balance	Redeemable Noncontrolling Interest	Redeemable Noncontrolling Interest Cumulative Effect, Period of Adoption, Adjusted Balance
Beginning balance at Dec. 31, 2020		$ 4,989			$ 25		$ (109)		$ 4,388			$ 3,279			$ (2,676)			$ 82
Stockholders' Equity
Net income (loss), excluding redeemable noncontrolling interests		1,748										1,723						25
Other comprehensive income (loss), net of tax		237													231			6
Dividends paid	[1]	(271)										(180)						(91)			$ (7)
Common shares issued from treasury stock and capital increase for share-based compensation		0					25		(25)
Share-based compensation expense		99							99
Other changes		6							2			(4)						8
Ending balance at Dec. 31, 2021		6,808	$ (1,654)	$ 5,154	25	$ 25	(84)	$ (84)	4,464	$ (3,044)	$ 1,420	4,818	$ 1,464	$ 6,282	(2,445)	$ (52)	$ (2,497)	30	$ (22)	$ 8
Beginning balance, redeemable noncontrolling interest at Dec. 31, 2020																					40
Redeemable Noncontrolling Interest
Net income (loss), redeemable noncontrolling interests																					12
Ending balance, redeemable noncontrolling interest at Dec. 31, 2021																					45	$ 45
Stockholders' Equity
Net income (loss), excluding redeemable noncontrolling interests		2,023										2,029						(6)
Other comprehensive income (loss), net of tax		218													219			(1)
Dividends paid	[1]	(412)										(412)						0			(11)
Acquisition of treasury stock		(153)					(153)
Common shares issued from treasury stock and capital increase for share-based compensation		0					7		(7)
Share-based compensation expense		87							87
Other changes		10							4			7						(1)			(1)
Ending balance at Dec. 31, 2022		6,927			25		(230)		1,504			7,906			(2,278)			0
Redeemable Noncontrolling Interest
Net income (loss), redeemable noncontrolling interests																					16
Ending balance, redeemable noncontrolling interest at Dec. 31, 2022		49																			49
Stockholders' Equity
Net income (loss), excluding redeemable noncontrolling interests		2,367										2,371						(4)
Other comprehensive income (loss), net of tax		(93)													(96)			3
Dividends paid	[1]	(527)										(527)									(11)
Acquisition of treasury stock		(652)					(652)
Common shares issued from treasury stock and capital increase for share-based compensation		0					20		(20)
Share-based compensation expense		99							99
Other changes		59					(3)		(5)			0						67			0
Ending balance at Dec. 31, 2023		8,180			$ 25		$ (865)		$ 1,578			$ 9,750			$ (2,374)			$ 66
Redeemable Noncontrolling Interest
Net income (loss), redeemable noncontrolling interests																					16
Ending balance, redeemable noncontrolling interest at Dec. 31, 2023		$ 54																			$ 54

[1] Dividends per share of common stock of $0.394, $0.302 and $0.132 were declared in the years ended December 31 2023, 2022 and 2021, respectively.