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Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |
Prepaid merchant bookings | $ 522 | $ 591
Deferred merchant bookings | 7,457 | 5,688
Deferred revenue | 160 | 166
Deferred Merchant Bookings |  |
Disaggregation of Revenue [Line Items] |  |
Deferred merchant bookings | 6,500 | 4,900
Deferred merchant bookings recognized during period | 4,200 |
Revenue recognized during period | 686 |
Deferred Loyalty Rewards |  |
Disaggregation of Revenue [Line Items] |  |
Deferred merchant bookings | 915 | 798
Revenue recognized during period | 575 |
Deferred Revenue |  |
Disaggregation of Revenue [Line Items] |  |
Revenue recognized during period | 109 |
Deferred revenue | $ 160 | $ 166

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045 + Details
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