Loans and Interest Receivable - Delinquency Status of the Principal Amount of Loans and Interest Receivables (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020 |
Consumer Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, current | $ 2,180 | $ 2,124 |
Loans, advances, and interest and fees receivable, total | $ 2,244 | $ 2,169 |
Loans, advances, and interest and fees receivable, current, percentage | 97.20% | 97.90% |
Loans, advances, and interest and fees receivable, percentage | 100.00% | 100.00% |
Consumer Receivables | Other Consumer Credit Products | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | $ 51 | $ 56 |
Consumer Receivables | Installment Loans Receivable | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | 623 | 556 |
Merchant Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | $ 1,180 | $ 1,382 |
Loans, advances, and interest and fees receivable, percentage | 100.00% | 100.00% |
Loans, advances, and interest and fees receivable, originated current fiscal year | $ 338 | $ 931 |
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year | 535 | 427 |
Loans, advances, and interest and fees receivable, originated two years before current fiscal year | 290 | 24 |
Loans, advances, and interest and fees receivable, originated three years before current fiscal year | 17 | 0 |
Loans, advances, and interest and fees receivable, originated four years before current fiscal year | 0 | 0 |
Current | Merchant Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | $ 969 | $ 1,042 |
Loans, advances, and interest and fees receivable, current, percentage | 82.10% | 75.40% |
Loans, advances, and interest and fees receivable, originated current fiscal year | $ 335 | $ 786 |
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year | 440 | 250 |
Loans, advances, and interest and fees receivable, originated two years before current fiscal year | 188 | 6 |
Loans, advances, and interest and fees receivable, originated three years before current fiscal year | 6 | 0 |
Loans, advances, and interest and fees receivable, originated four years before current fiscal year | 0 | 0 |
30 - 59 Days | Consumer Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, past due | $ 21 | $ 15 |
Loans, advances, and interest and fees receivable, past due, percentage | 0.90% | 0.70% |
30 - 59 Days | Merchant Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | $ 71 | $ 105 |
Loans, advances, and interest and fees receivable, past due, percentage | 6.00% | 7.60% |
Loans, advances, and interest and fees receivable, originated current fiscal year | $ 3 | $ 55 |
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year | 36 | 47 |
Loans, advances, and interest and fees receivable, originated two years before current fiscal year | 30 | 3 |
Loans, advances, and interest and fees receivable, originated three years before current fiscal year | 2 | 0 |
Loans, advances, and interest and fees receivable, originated four years before current fiscal year | 0 | 0 |
60 - 89 Days | Consumer Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, past due | $ 15 | $ 11 |
Loans, advances, and interest and fees receivable, past due, percentage | 0.70% | 0.50% |
60 - 89 Days | Merchant Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | $ 37 | $ 62 |
Loans, advances, and interest and fees receivable, past due, percentage | 3.10% | 4.50% |
Loans, advances, and interest and fees receivable, originated current fiscal year | $ 0 | $ 27 |
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year | 18 | 32 |
Loans, advances, and interest and fees receivable, originated two years before current fiscal year | 17 | 3 |
Loans, advances, and interest and fees receivable, originated three years before current fiscal year | 2 | 0 |
Loans, advances, and interest and fees receivable, originated four years before current fiscal year | 0 | 0 |
90 - 179 Days | Consumer Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, past due | $ 28 | $ 19 |
Loans, advances, and interest and fees receivable, past due, percentage | 1.20% | 0.90% |
90 - 179 Days | Merchant Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | $ 74 | $ 142 |
Loans, advances, and interest and fees receivable, past due, percentage | 6.30% | 10.30% |
Loans, advances, and interest and fees receivable, originated current fiscal year | $ 0 | $ 57 |
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year | 33 | 78 |
Loans, advances, and interest and fees receivable, originated two years before current fiscal year | 38 | 7 |
Loans, advances, and interest and fees receivable, originated three years before current fiscal year | 3 | 0 |
Loans, advances, and interest and fees receivable, originated four years before current fiscal year | 0 | 0 |
180+ Days | Merchant Receivables | | |
Financing Receivable, Past Due [Line Items] | | |
Loans, advances, and interest and fees receivable, total | $ 29 | $ 31 |
Loans, advances, and interest and fees receivable, past due, percentage | 2.50% | 2.20% |
Loans, advances, and interest and fees receivable, originated current fiscal year | $ 0 | $ 6 |
Loans, advances, and interest and fees receivable, originated fiscal year before current fiscal year | 8 | 20 |
Loans, advances, and interest and fees receivable, originated two years before current fiscal year | 17 | 5 |
Loans, advances, and interest and fees receivable, originated three years before current fiscal year | 4 | 0 |
Loans, advances, and interest and fees receivable, originated four years before current fiscal year | $ 0 | $ 0 |