Legal and Regulatory [Line Items] [Line Items]

No definition available.

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- Definition

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

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No definition available.

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- Definition

Loss Contingency, Damages Sought, Per Claim

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No definition available.

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- Definition

Loss Contingency, Unsolicited Advertisements

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No definition available.

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- Definition

Percent Of Settlement Reporting Entity Would Pay

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No definition available.

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- Definition

Percentage of Opt Out Merchants to Terminate

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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.

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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

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- Definition

Number of claims settled.

+ References

No definition available.

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- Definition

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

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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

+ References

No definition available.

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- Definition

Number of pending claims pertaining to a loss contingency.

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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Legal and Regulatory Proceedings (Details) € in Millions, £ in Billions	1 Months Ended						3 Months Ended	6 Months Ended	12 Months Ended				30 Months Ended	104 Months Ended
	Sep. 30, 2019 USD ($)	Apr. 30, 2019 EUR (€)	Jul. 31, 2018 claimant	Jan. 31, 2017 claimant	Oct. 31, 2011 plaintiff	Feb. 28, 2011	Dec. 31, 2020 USD ($) claimant	Jun. 30, 2019 USD ($)	Dec. 31, 2020 USD ($) claimant fax	Dec. 31, 2020 GBP (£) fax claimant	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2019 claimant	Dec. 31, 2020 USD ($) claimant	Dec. 31, 2020 GBP (£)	Jul. 31, 2019
Legal And Regulatory
Loss Contingency, Unsolicited Advertisements \| fax									381,000	381,000
Provision for litigation									$ 73,000,000		$ 0	$ 1,128,000,000
Cash paid for legal settlements									149,000,000		668,000,000	260,000,000
Accrued litigation							$ 842,000,000		842,000,000		914,000,000			$ 842,000,000
Restricted cash for litigation settlement							586,000,000		586,000,000		584,000,000			586,000,000
Loss Contingency, Damages Sought, Per Claim									500
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%
Canadian Competition Bureau
Legal And Regulatory
Amount of damages sought (that exceeds)									5,000,000,000
U.S. Merchant Lawsuit Settlement
Legal And Regulatory
Accrued litigation							$ 783,000,000		783,000,000		$ 914,000,000			783,000,000
Maximum \| U.S. Merchant Litigation - Class Litigation
Legal And Regulatory
Percentage of Opt Out Merchants to Terminate																25.00%
U.S. Merchant Lawsuit Settlement
Legal And Regulatory
Provision for litigation								$ 237,000,000
European Commission
Legal And Regulatory
Provision for litigation												654,000,000
Cash paid for legal settlements \| €		€ 571
Proposed U.K. Interchange Collective Action
Legal And Regulatory
Amount of damages sought (that exceeds)									19,000,000,000	£ 14
U.K. Merchant Lawsuit Settlement
Legal And Regulatory
Provision for litigation									$ 22,000,000
Amount of damages sought (that exceeds)														4,500,000,000	£ 3
Loss Contingency, Damages Resolved, Value														$ 3,000,000,000	£ 2
U.K. Merchant claimants
Legal And Regulatory
Provision for litigation												$ 237,000,000
Number of claimants in case \| claimant			4	10			4
Number of plaintiffs in case \| claimant			4	10			4
Loss Contingency, Pending Claims, Number \| claimant							4		4					4
U.K. Merchant claimants \| U.K. Merchant Claimants, Sent Back To Trial Court, Liability And Damages Issues [Member]
Legal And Regulatory
Loss Contingency, Pending Claims, Number \| claimant							1		1					1
U.K. Merchant claimants \| U.K. Merchant Claims, Sent Back To Trial Court, Damages Issues [Member]
Legal And Regulatory
Loss Contingency, Pending Claims, Number \| claimant							3		3					3
ATM Operators Complaint
Legal And Regulatory
Amount of damages sought (that exceeds)	$ 1,000,000,000
Number of claimants in case \| plaintiff					13
Number of plaintiffs in case \| plaintiff					13
U.K. Prepaid Cards Matter
Legal And Regulatory
Litigation charge							$ 45,000,000
Appealing judgment \| U.K. Merchant claimants
Legal And Regulatory
Loss Contingency, Claims Settled, Number \| claimant													3
Judicial Ruling \| 2016 U.K. Merchant Claimants \| Unfavorable Regulatory Action
Legal And Regulatory
Loss Contingency, Claims Settled, Number \| claimant									1	1
Judicial Ruling \| 2017 U.K. Merchant Claimants
Legal And Regulatory
Loss Contingency, Claims Settled, Number \| claimant			3
Judicial Ruling \| 2017 U.K. Merchant Claimants \| Unfavorable Regulatory Action
Legal And Regulatory
Loss Contingency, Claims Settled, Number \| claimant			2