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Accrued Expenses - Accrued Expense (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Accrued Liabilities, Current [Abstract]
Long-term customer and merchant incentives	$ 2,961	$ 2,820

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- Definition

Accrued Customer and Merchant Incentives, Noncurrent

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

Name:	us-gaap_AccruedLiabilitiesCurrentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration