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Acquisitions - Narrative (Details) - USD ($) $ in Millions					3 Months Ended
	Apr. 01, 2022	Nov. 22, 2021	May 04, 2021	Jan. 22, 2021	Jun. 30, 2022	Mar. 31, 2022	Jun. 14, 2021	Mar. 31, 2021	Dec. 31, 2021	Nov. 15, 2021
Business Acquisition [Line Items]
Goodwill						$ 36,538			$ 36,433
NetPay Solutions Group
Business Acquisition [Line Items]
Percentage of interest owned in affiliate										40.00%
BentoBox CMS, Inc.
Business Acquisition [Line Items]
Payments to acquire businesses, gross		$ 317
Acquired cash		$ 24
Increase in goodwill						65
Intangible assets						52
Goodwill						269
Other net assets						$ 20
Pineapple Payments
Business Acquisition [Line Items]
Acquired cash			$ 6
Intangible assets									127
Goodwill									79
Other net assets									7
Payments for acquisitions of businesses			207
Earn-out provisions estimated fair value			$ 30
Goodwill, expected tax deductible amount									$ 59
Ondot
Business Acquisition [Line Items]
Acquired cash				$ 13
Intangible assets				142
Goodwill				173
Payments for acquisitions of businesses				271
Pre-tax gain from remeasurement								$ 12
Previously held non-controlling interest				$ 22
SpendLabs and Radius8
Business Acquisition [Line Items]
Intangible assets							$ 47
Goodwill							61
Payments for acquisitions of businesses							87
Earn-out provisions estimated fair value							4
Previously held non-controlling interest							14
Net assumed liabilities							7
Finxact, Inc. | Forecast
Business Acquisition [Line Items]
Pre-tax gain from remeasurement					$ 110
Finxact, Inc. | Subsequent Event
Business Acquisition [Line Items]
Payments for acquisitions of businesses	$ 650
Other Acquisitions
Business Acquisition [Line Items]
Intangible assets							47
Goodwill, expected tax deductible amount							$ 14

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