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Settlement and Other Risk Management (Tables) | 9 Months Ended
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Sep. 30, 2025
Settlement and Other Risk Management [Abstract] |
Estimated Settlement Exposure and Portion of Uncollateralized Settlement Exposure for Mastercard-Branded Transactions | The Company’s estimated settlement exposure was as follows:
|  | September 30, 2025 |  | December 31, 2024
|  | (in millions)
Gross settlement exposure |  | $ | 86,585 |  |  | $ | 78,385 |
Risk mitigation arrangements applied to settlement exposure |  | (15,733) |  |  | (13,466) |
Net settlement exposure |  | $ | 70,852 |  |  | $ | 64,919 |

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- Definition Tabular disclosure of settlement risk and related collateral held [Table Text Block] + References No definition available. + Details
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