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Contingencies and Commitments (Details Textuals) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jan. 29, 2019 state
Loss Contingencies [Line Items] |  |  |  |
Total lease expense | $ 161 | $ 177 | $ 151 |
Weighted average remaining lease term | 18 years |  |  |
Weighted average lease discount rate (as a percent) | 3.00% |  |  |
Commitments related to agreements with certain cobrand partners | $ 2,600 |  |  |
Operating Lease, Liability, Statement of Financial Position [Extensible List] | Commitments and Contingencies |  |  |
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
Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, estimate of possible loss | $ 0 |  |  |
Financial commitments, period | 5 years |  |  |
Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, estimate of possible loss | $ 170 |  |  |
Financial commitments, period | 10 years |  |  |

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- Definition This element represents the amount of contingent obligations to make payments under contractual agreements entered into as part of the ongoing operation of the Company's business, primarily with co-brand partners. + References No definition available. + 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=124440162&loc=d3e12021-110248 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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