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Settlement and Other Risk Management - Estimated Settlement Exposure (Details) - Guarantee Obligations - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Risks Inherent in Servicing Assets and Servicing Liabilities |  |
Gross settlement exposure | $ 76,524 | $ 75,023
Risk mitigation arrangements applied to settlement exposure | (13,222) | (12,167)
Net settlement exposure | $ 63,302 | $ 62,856

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- Definition Collateral held for estimated settlement exposure from guarantees issued + References No definition available. + Details
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Namespace Prefix: | ma_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Estimated settlement exposure from guarantees issued + References No definition available. + Details
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Namespace Prefix: | ma_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Net Uncollateralized estimated settlement exposure from guarantees issued + References No definition available. + Details
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Namespace Prefix: | ma_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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. + References No definition available. + Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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