Leases (Schedule of Right-of-use Assets and Lease Liabilities) (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
||||
|---|---|---|---|---|---|---|
| Leases [Abstract] | ||||||
| Right-of-use assets, finance lease | $ 47 | $ 23 | ||||
| Finance lease liabilities: | ||||||
| Current lease liabilities, finance lease | [1] | 10 | 7 | |||
| Long-term lease liabilities, finance lease | 30 | 16 | ||||
| Total lease liabilities, finance lease | [2] | 40 | 23 | |||
| Right-of-use assets, operating lease | 462 | 276 | ||||
| Operating lease liabilities: | ||||||
| Current lease liabilities, operating lease | [1] | 139 | 95 | |||
| Long-term lease liabilities, operating lease | 326 | 181 | ||||
| Total lease liabilities, operating lease | [2] | 465 | 276 | |||
| Right-of-use assets | 509 | 299 | ||||
| Lease liabilities: | ||||||
| Current lease liabilities | [1] | 149 | 102 | |||
| Long-term lease liabilities | 356 | 197 | ||||
| Total lease liabilities | [2] | $ 505 | $ 299 | |||
| ||||||