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Settlement and Other Risk Management - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Settlement and Other Risk Management [Abstract]
Travelers cheques outstanding, notional value	$ 337	$ 340
Travelers cheques covered by collateral arrangements	$ 272	$ 272

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- Definition

Settlement and Travelers Cheque Risk Management [Abstract]

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No definition available.

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Name:	ma_SettlementAndOtherRiskManagementAbstract
Namespace Prefix:	ma_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

Travelers Cheques Covered by Collateral Arrangements

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No definition available.

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Name:	ma_TravelersChequesCoveredByCollateralArrangements
Namespace Prefix:	ma_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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- Definition

Represents the notional value of outstanding Travelers cheques issued by others, for which the company has guaranteed the payment in the event of issuer default.

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No definition available.

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Name:	ma_TravelersChequesOutstandingNotionalValue
Namespace Prefix:	ma_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant