Legal and Regulatory [Line Items] [Line Items]

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- Definition

Loss Contingency, Claims Dismissed, Number Of Years

+ References

No definition available.

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- Definition

Loss Contingency, Damages Sought, Complaint Period

+ References

No definition available.

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- Definition

Loss Contingency, Damages Sought, Per Claim

+ References

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- Definition

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

+ References

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- Definition

Loss Contingency, Unsolicited Advertisements

+ References

No definition available.

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- Definition

Percent Of Settlement Reporting Entity Would Pay

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Percentage of Opt Out Merchants to Terminate

+ References

No definition available.

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- 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

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- 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

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-Publisher FASB
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- Definition

Number of claims settled.

+ References

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

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- 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
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- 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 720
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
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-Topic 460
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

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

+ References

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- Definition

Number of pending claims pertaining to a loss contingency.

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Legal and Regulatory Proceedings (Details) £ in Millions, € in Billions		1 Months Ended	12 Months Ended				72 Months Ended
	Dec. 31, 2024 USD ($) claimant merchant complaint	Dec. 31, 2023 GBP (£)	Dec. 31, 2024 USD ($) claimant fax merchant complaint	Dec. 31, 2024 GBP (£) fax	Dec. 31, 2024 EUR (€) fax	Dec. 31, 2011 plaintiff	Dec. 31, 2024 USD ($) claimant merchant complaint	Dec. 31, 2024 GBP (£) claimant merchant complaint	Oct. 31, 2024 USD ($) merchant	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2019 complaint	Dec. 31, 2018
Legal And Regulatory
Accrued litigation	$ 930,000,000		$ 930,000,000				$ 930,000,000				$ 723,000,000
Number of unsolicited advertisements \| fax			381,000	381,000	381,000
Damages sought per claim			$ 500
2022 Mastercard and Visa Proposed Collective Action Complaint in the U.K.
Legal And Regulatory
Amount of damages sought (approximately)	1,300,000,000	£ 1,000
Proposed U.K. Interchange Collective Action
Legal And Regulatory
Amount of damages sought (approximately)			$ 13,000,000,000	£ 10,000
Loss contingency, claims dismissed, number of years			5 years	5 years	5 years
Loss contingency accrual	$ 251,000,000		$ 251,000,000				$ 251,000,000	£ 200
Portugal Proposed Interchange Collective Action
Legal And Regulatory
Amount of damages sought (approximately)			$ 400,000,000		€ 0.4
Complaint period			20 years	20 years	20 years
ATM Operators Complaint
Legal And Regulatory
Number of pending claims \| complaint	2		2				2	2				3
Amount of damages sought (approximately)	$ 1,000,000,000
Loss contingency accrual										$ 93,000,000
Number of plaintiffs in case \| plaintiff						13
U.S. Liability Shift Litigation
Legal And Regulatory
Number of pending claims \| claimant	4		4				4	4
Amount of damages sought (approximately)			$ 1,000,000,000
Pending Litigation \| U.K. Merchant Lawsuit Settlement
Legal And Regulatory
Unresolved damages claims remaining	$ 400,000,000		$ 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 \| merchant	65		65				65	65
Unresolved damages claims remaining									$ 12,000,000,000
Number of pending claims scheduled for trial \| merchant									6
U.S. Merchant Litigation - Class Litigation \| Maximum
Legal And Regulatory
Percentage of opted out merchants to terminate													25.00%
U.S. Merchant Litigation - Class Litigation \| Minimum
Legal And Regulatory
Percentage of Mastercard's U.S. interchange volume represented	90.00%		90.00%				90.00%	90.00%
U.S. Merchant Litigation - Opt-Out \| Minimum \| Settled Litigation
Legal And Regulatory
Loss Contingency, Claims Settled, Number \| merchant							250
U.S. Merchant Lawsuit Settlement [Member]
Legal And Regulatory
Accrued litigation	$ 559,000,000		$ 559,000,000				$ 559,000,000				$ 596,000,000