Equity (Details) - USD ($) shares in Millions, $ in Millions		3 Months Ended				6 Months Ended
		Jun. 30, 2022		Jun. 30, 2021		Jun. 30, 2022	Jun. 30, 2021
Class Of Stock [Line Items]
Beginning balance		$ 7,694		$ 6,601		$ 7,908	$ 6,459
Net Income		83		193		193	436
Foreign currency translation adjustments		(280)		58		(267)	40
Comprehensive income (Loss)		(197)		251		(74)	476
Cash dividends declared		(50)		(51)		(101)	(101)
Repurchase and retirement of shares		(168)				(400)
Dividends declared						(81)	(39)
Contribution from noncontrolling interests						18
Exercise and vesting of share-based awards						(2)	(4)
Share-based compensation		10		15		21	25
Ending balance		7,289		6,816		7,289	6,816
Common Stock [Member]
Class Of Stock [Line Items]
Beginning balance		$ 4		$ 4		$ 4	$ 4
Beginning balance (in shares)		449	[1]	440	[1]	449	440
Repurchase and retirement of shares (in shares)		(30)	[1]			(30)
Exercise and vesting of share-based awards, shares				1	[1]	1	1
Ending balance		$ 4		$ 4		$ 4	$ 4
Ending balance (in shares)	[1]	420		441		420	441
Additional Paid-in Capital [Member]
Class Of Stock [Line Items]
Beginning balance		$ 4,704		$ 4,664		$ 4,695	$ 4,658
Repurchase and retirement of shares		(312)				(312)
Exercise and vesting of share-based awards						(2)	(4)
Share-based compensation		10		15		21	25
Ending balance		4,402		4,679		4,402	4,679
Retained Earnings [Member]
Class Of Stock [Line Items]
Beginning balance		2,941		2,285		2,892	2,105
Net Income		83		181		183	411
Cash dividends declared		(50)		(51)		(101)	(101)
Repurchase and retirement of shares		(891)				(891)
Ending balance		2,083		2,415		2,083	2,415
Accumulated Other Comprehensive Income (Loss) [Member]
Class Of Stock [Line Items]
Beginning balance		279		150		268	167
Foreign currency translation adjustments		(239)		55		(228)	38
Ending balance		40		205		40	205
Treasury Stock [Member]
Class Of Stock [Line Items]
Beginning balance		$ (1,035)		$ (728)		$ (803)	$ (728)
Beginning balance (in shares)		(26)		(20)		(21)	(20)
Repurchase and retirement of shares		$ 1,035				$ 803
Repurchase and retirement of shares (in shares)		26				21
Ending balance				$ (728)			$ (728)
Ending balance (in shares)				(20)			(20)
Noncontrolling Interests [Member]
Class Of Stock [Line Items]
Beginning balance		$ 801		$ 226		$ 852	$ 253
Net Income				12		10	25
Foreign currency translation adjustments		(41)		3		(39)	2
Dividends declared						(81)	(39)
Contribution from noncontrolling interests						18
Ending balance		760		241		760	241
Redeemable Noncontrolling Interest [Member]
Class Of Stock [Line Items]
Beginning balance		14		12		14	12
Acquisition of noncontrolling interest		(1)				(1)
Ending balance		$ 13		$ 12		$ 13	$ 12

[1] Shares may not add due to rounding.