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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 5,107	$ 4,756	$ 9,990	$ 9,303
Operating segments | Merchant Segment
Disaggregation of Revenue [Line Items]
Revenue	2,410	2,206	4,663	4,202
Operating segments | Financial Segment
Disaggregation of Revenue [Line Items]
Revenue	2,379	2,245	4,664	4,468
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenue	$ 318	$ 305	$ 663	$ 633
Geographic Concentration Risk | Non-US | Revenue from Contract with Customer Benchmark
Disaggregation of Revenue [Line Items]
Percentage of concentration risk	15.00%	14.00%	15.00%	14.00%
Small Business | Operating segments | Merchant Segment
Disaggregation of Revenue [Line Items]
Revenue	$ 1,604	$ 1,424	$ 3,092	$ 2,709
Enterprise | Operating segments | Merchant Segment
Disaggregation of Revenue [Line Items]
Revenue	542	495	1,005	932
Processing | Operating segments | Merchant Segment
Disaggregation of Revenue [Line Items]
Revenue	264	287	566	561
Digital Payments | Operating segments | Financial Segment
Disaggregation of Revenue [Line Items]
Revenue	987	911	1,907	1,784
Issuing | Operating segments | Financial Segment
Disaggregation of Revenue [Line Items]
Revenue	766	730	1,527	1,461
Banking | Operating segments | Financial Segment
Disaggregation of Revenue [Line Items]
Revenue	$ 626	$ 604	$ 1,230	$ 1,223

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