Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Disaggregation of Revenue [Line Items]
Net Revenue	$ 9,807	$ 8,602	$ 27,482	$ 23,985
Americas 1
Disaggregation of Revenue [Line Items]
Net Revenue	4,190	3,651	11,754	10,207
Asia Pacific, Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Revenue	5,617	4,951	15,728	13,778
Payment network
Disaggregation of Revenue [Line Items]
Net Revenue	5,749	5,179	16,148	14,556
Value-added services and solutions
Disaggregation of Revenue [Line Items]
Net Revenue	$ 4,058	$ 3,423	$ 11,334	$ 9,429

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details