Summary of Significant Accounting Policies - Lease Receivables Relating to Sales - Type Lease (Details) - USD ($) $ in Millions |
Mar. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Summary Of Significant Accounting Policies [Line Items] | ||
| Gross lease receivables | $ 702 | $ 780 |
| Unearned interest income | (66) | (78) |
| Allowance for expected credit losses | (6) | (6) |
| Net investment in sales-type leases | 630 | 696 |
| Prepaid expenses and other current assets | ||
| Summary Of Significant Accounting Policies [Line Items] | ||
| Net investment in sales-type leases | 184 | 189 |
| Other non-current assets | ||
| Summary Of Significant Accounting Policies [Line Items] | ||
| Net investment in sales-type leases | $ 446 | $ 507 |