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v3.21.1

Contingencies (Details Textuals) | Mar. 31, 2021 USD ($) | Jan. 29, 2019 state
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Minimum |  |
Loss Contingencies [Line Items] |  |
Current estimate of possible loss | $ 0 |
Maximum |  |
Loss Contingencies [Line Items] |  |
Current estimate of possible loss | 220,000,000 |
Exposure Associated with Card Member Purchases of Goods and Services |  |
Loss Contingencies [Line Items] |  |
Loss accrual | $ 78,000,000 |
Violation Of Federal Antitrust Law And Consumer Laws Class Action Case |  |
Loss Contingencies [Line Items] |  |
Number of states with remaining claims under antitrust laws | state |  | 11
Number of states with remaining claims under consumer protection laws | state |  | 6

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- Definition Loss Contingency, Number Of States With Remaining Claims Under Consumer Protection Laws + References No definition available. + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12021-110248 + Details
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