Legal and Regulatory [Line Items] [Line Items]

No definition available.

Name:	ma_LegalAndRegulatoryLineItems
Namespace Prefix:	ma_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Loss Contingency, Damages Sought, Complaint Period

+ References

No definition available.

+ Details

Name:	ma_LossContingencyDamagesSoughtComplaintPeriod
Namespace Prefix:	ma_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Loss Contingency, Damages Sought, Per Claim

+ References

No definition available.

+ Details

Name:	ma_LossContingencyDamagesSoughtPerClaim
Namespace Prefix:	ma_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loss Contingency, Pending Claims, Excluded Merchants, Number

+ References

No definition available.

+ Details

Name:	ma_LossContingencyPendingClaimsExcludedMerchantsNumber
Namespace Prefix:	ma_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Pending Claims, Groups Of Opt-Out Merchants, Number

+ References

No definition available.

+ Details

Name:	ma_LossContingencyPendingClaimsGroupsOfOptOutMerchantsNumber
Namespace Prefix:	ma_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Pending Claims, Number Of Claims Scheduled For Trial

+ References

No definition available.

+ Details

Name:	ma_LossContingencyPendingClaimsNumberOfClaimsScheduledForTrial
Namespace Prefix:	ma_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Unsolicited Advertisements

+ References

No definition available.

+ Details

Name:	ma_LossContingencyUnsolicitedAdvertisements
Namespace Prefix:	ma_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percent Of Settlement Reporting Entity Would Pay

+ References

No definition available.

+ Details

Name:	ma_PercentOfSettlementReportingEntityWouldPay
Namespace Prefix:	ma_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage Of Mastercard's U.S. Interchange Volume Represented By Opt-Out Merchant And Damages Class Settlements

+ References

No definition available.

+ Details

Name:	ma_PercentageOfMastercardsU.S.InterchangeVolumeRepresentedByOptOutMerchantAndDamagesClassSettlements
Namespace Prefix:	ma_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage Of Opt-Out Merchants To Terminate

+ References

No definition available.

+ Details

Name:	ma_PercentageOfOptOutMerchantsToTerminate
Namespace Prefix:	ma_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position.

+ References

+ Details

Name:	us-gaap_LitigationReserveCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

+ Details

Name:	us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

+ Details

Name:	us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.Z.5.Q2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480781/205-20-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section S45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480868/205-20-S45-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-9

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483359/720-20-50-1

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 27
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482395/460-10-55-27

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-3

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-2

+ Details

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of defendants named in a legal action.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

+ Details

Name:	us-gaap_LossContingencyNumberOfDefendants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

+ Details

Name:	us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of pending claims pertaining to a loss contingency.

+ References

+ Details

Name:	us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	srt_LitigationCaseAxis=ma_A2022MastercardAndVisaProposedCollectiveActionComplaintInTheUKMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=ma_PortugalProposedInterchangeCollectiveActionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=ma_NetherlandsProposedInterchangeCollectiveActionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=ma_ATMOperatorsComplaintMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=ma_USLiabilityShiftLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=ma_NonBankATMConsumerClassComplaintMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=ma_U.K.MerchantLawsuitSettlementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ma_EventInvolvingVisaPartiesMemberBanksAndMastercardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ma_EventInvolvingMemberBanksAndMastercardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ma_U.S.MerchantLitigationClassLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ma_USMerchantLawsuitSettlementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ma_U.S.MerchantLitigationClassLitigationBlockAndIntuitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Legal and Regulatory Proceedings (Details) £ in Millions, € in Billions			3 Months Ended		12 Months Ended
	Mar. 31, 2026 USD ($) merchant	Mar. 31, 2026 GBP (£)	Mar. 31, 2026 USD ($) merchant defendant fax	Mar. 31, 2026 EUR (€) defendant fax	Dec. 31, 2011 plaintiff	Mar. 31, 2026 GBP (£) merchant	Feb. 28, 2026 merchant	Dec. 31, 2025 USD ($)	Dec. 31, 2023 complaint	Dec. 31, 2018
Legal And Regulatory
Accrued litigation	$ 339,000,000		$ 339,000,000					$ 800,000,000
Unsolicited faxes \| fax			381,000	381,000
Damages sought per fax (in usd per fax)			$ 500
2022 Mastercard and Visa Proposed Collective Action Complaint in the U.K.
Legal And Regulatory
Amount of damages sought (that exceeds)	1,300,000,000	£ 1,000
Loss Contingency, Pending Claims, Excluded Merchants, Number \| merchant							100
Portugal Proposed Interchange Collective Action
Legal And Regulatory
Amount of damages sought (that exceeds)			$ 500,000,000	€ 0.4
Loss Contingency, Damages Sought, Complaint Period			20 years	20 years
Netherlands Interchange Collective Action
Legal And Regulatory
Amount of damages sought (that exceeds)			$ 300,000,000	€ 0.3
ATM Operators Complaint
Legal And Regulatory
Amount of damages sought (that exceeds)			1,000,000,000
Number of plaintiffs in case \| plaintiff					13
Number of claims \| complaint									3
U.S. Liability Shift Litigation
Legal And Regulatory
Amount of damages sought (that exceeds)			1,000,000,000
Loss contingency accrual	80,000,000		$ 80,000,000
Number of defendants \| defendant			4	4
Non-bank ATM Consumer Class Complaint
Legal And Regulatory
Loss contingency accrual	79,000,000		$ 79,000,000
Unresolved \| U.K. Merchant Lawsuit Settlement
Legal And Regulatory
Unresolved damages claims	$ 400,000,000		$ 400,000,000			£ 300
Event Involving Visa Parties, Member Banks and Mastercard
Legal And Regulatory
Percent of settlement Mastercard would pay					12.00%
Event Involving Member Banks and Mastercard
Legal And Regulatory
Percent of settlement Mastercard would pay					36.00%
U.S. Merchant Litigation - Class Litigation
Legal And Regulatory
Number of pending claims scheduled for trial \| merchant	6		6			6
Amount of damages sought (that exceeds)			$ 500,000,000
Loss Contingency, Pending Claims, Groups Of Opt-Out Merchants, Number \| merchant	2		2			2
U.S. Merchant Litigation - Class Litigation \| Maximum
Legal And Regulatory
Percentage of merchant opt outs to terminate agreement										25.00%
U.S. Merchant Litigation - Class Litigation \| Minimum
Legal And Regulatory
Mastercard's U.S. interchange volume represented by opt-out merchant and damages class settlement, percentage	95.00%		95.00%			95.00%
U.S. Merchant Lawsuit Settlement
Legal And Regulatory
Accrued litigation	$ 177,000,000		$ 177,000,000					$ 637,000,000
U.S. Merchant Litigation - Class Litigation - Block and Intuit
Legal And Regulatory
Amount of damages sought (that exceeds)			$ 5,000,000,000