Leases Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating Lease, Payments	$ 4	$ 8	$ 8
Finance Lease, Interest Payment on Liability	15	11	10
Finance Lease, Principal Payments	7	6	6
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	0	(12)	0
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	29	153	$ 0
Lessee, Lease, Description [Line Items]
Operating Lease, Liability, Current	4	4
Operating Lease, Liability, Noncurrent	$ 18	$ 22
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accounts payable
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other noncurrent liabilities