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Settlement and Other Risk Management Estimated Settlement Exposure and Portion of Uncollateralized Settlement Exposure for MasterCard-Branded Transactions (Details) - Guarantee Obligations - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]
Gross settlement exposure	$ 78,385	$ 75,023
Risk mitigation arrangements applied to settlement exposure	(13,466)	(12,167)
Net settlement exposure	$ 64,919	$ 62,856

X

- Definition

Collateral held for estimated settlement exposure from guarantees issued

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X

- Definition

Estimated settlement exposure from guarantees issued

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No definition available.

+ Details

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X

- Definition

Net Uncollateralized estimated settlement exposure from guarantees issued

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No definition available.

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- Definition

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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No definition available.

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- Details

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