Leases - Other Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Leases [Abstract] | |||
| Operating lease, payments | $ 6 | $ 7 | $ 8 |
| Finance lease, principal payments | 5 | 5 | 5 |
| Operating lease expense | 4 | 4 | 5 |
| Finance lease, right-of-use asset, amortization | 4 | 4 | 4 |
| Finance lease, interest expense | $ 2 | $ 2 | $ 2 |
| X | ||||||||||
- Definition Amount of interest expense 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 amortization expense attributable to right-of-use asset from finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Operating And Finance Lease, Payments No definition available.
|