Basis of Presentation (Details) $ in Millions |
Sep. 30, 2022
USD ($)
|
|---|---|
| Accounting Policies [Abstract] | |
| Finance Lease Liability, New In Period | $ 6 |
| Finance lease liability, current, new in period | 1 |
| Finance lease liability, noncurrent, new in period | 5 |
| Finance lease, liability, allocated from parent | 2 |
| Finance lease, liability, current, allocated from parent | 1 |
| Finance lease, liability, noncurrent, allocated from parent | $ 1 |