Leases - Supplemental cash flow and other information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Cash paid for amounts included in the measurement of lease liabilities: | |||
| Operating cash flows from operating leases | $ 295 | $ 317 | $ 326 |
| Operating cash flows from finance leases | 2 | 2 | 1 |
| Financing cash flows from finance leases | 25 | 19 | 58 |
| Right of use assets obtained in exchange for lease liabilities: | |||
| Operating leases | 261 | 342 | 250 |
| Finance leases | $ 6 | $ 3 | $ 18 |
| X | ||||||||||
- Definition Cash Flow, Lessee No definition available.
|
| X | ||||||||||
- Definition Right-Of-Use Asset Obtained In Exchange For Lease Liability No definition available.
|
| X | ||||||||||
- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|