Financing Receivables - Transfer of Commercial Financing Assets (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Lease receivables | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Financing receivables transferred | $ 819 | $ 1,152 |
| Loan receivables | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Financing receivables transferred | 2,224 | 1,410 |
| Client Financing Receivables | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Financing receivables transferred | 3,043 | 2,562 |
| Commercial financing receivables | ||
| Loans and Leases Receivable Disclosure [Line Items] | ||
| Financing receivables transferred | 7,359 | 515 |
| Financing receivables transferred and uncollected | $ 1,653 | $ 510 |