Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Revision of Prior Period, Reclassification, Adjustment	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss Revision of Prior Period, Reclassification, Adjustment	Retained Earnings	Retained Earnings Revision of Prior Period, Reclassification, Adjustment	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Treasury Stock	Noncontrolling Interests
Balance at beginning of period (in shares) at Dec. 31, 2018				791							399
Balance at beginning of period at Dec. 31, 2018	$ 2,293			$ 8	$ 1,057	$ (67)		$ 11,635			$ (10,340)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	897							893				4
Shares issued to acquire First Data (in shares)											(286)
Shares issued to acquire First Data (see Note 4)	31,791				22,582						$ 7,478	1,731
Distributions paid to noncontrolling interests	(111)											(111)
Other comprehensive loss	(121)					(113)						(8)
Share-based compensation	229				229
Shares issued under stock plans (in shares)											(5)
Shares issued under stock plans	10				(127)						$ 137
Purchases of treasury stock (in shares)											4
Purchases of treasury stock	(393)										$ (393)
Balance at end of period (in shares) at Dec. 31, 2019				791							112
Balance at end of period at Dec. 31, 2019	34,595		$ (45)	$ 8	23,741	(180)		12,528		$ (45)	$ (3,118)	1,616
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	936							958				(22)
Measurement period adjustments related to First Data acquisition (see Note 4)	(126)											(126)
Distributions paid to noncontrolling interests	(37)											(37)
Net adjustment to noncontrolling interests from dissolution (see Note 4)	(762)				(36)							(726)
Change in redemption value of redeemable noncontrolling interest (see Note 13)	0
Other comprehensive loss	(172)					(207)						35
Share-based compensation	369				369
Shares issued under stock plans (in shares)											(5)
Shares issued under stock plans	(53)				(231)						$ 178
Purchases of treasury stock (in shares)											16
Purchases of treasury stock	(1,635)										$ (1,635)
Retirement of treasury stock (in shares)				(2)							(2)
Retirement of treasury stock (see Note 20)	0				(200)						$ 200
Balance at end of period (in shares) at Dec. 31, 2020				789							121
Balance at end of period at Dec. 31, 2020	$ 33,070			$ 8	23,643	(387)		13,441			$ (4,375)	740
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-13
Net income	$ 1,359							1,334				25
Distributions paid to noncontrolling interests	(6)											(6)
Change in redemption value of redeemable noncontrolling interest (see Note 13)	(18)				(18)
Other comprehensive loss	(397)					(358)
Other comprehensive loss	(326)					(287)						(39)	[1]
Share-based compensation	239				239
Shares issued under stock plans (in shares)											(5)
Shares issued under stock plans	(81)				(293)						$ 212
Purchases of treasury stock (in shares)											23
Purchases of treasury stock	(2,565)										$ (2,565)
Retirement of treasury stock (in shares)				(5)							(5)
Retirement of treasury stock (see Note 20)	0				(588)						$ 588
Balance at end of period (in shares) at Dec. 31, 2021				784							134
Balance at end of period at Dec. 31, 2021	$ 31,672	$ 0		$ 8	$ 22,983	$ (745)	$ (71)	$ 14,846	$ 71		$ (6,140)	$ 720

[1] The total net income presented in the consolidated statements of equity for the years ended December 31, 2021, 2020 and 2019 is different than the amount presented in the consolidated statements of income due to the net income attributable to redeemable noncontrolling interests of $44 million, $39 million and $17 million, respectively, not included in equity.