Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 5
Operating Lease, Weighted Average Discount Rate, Percent	4.00%
Operating Lease, Cost	$ 11	$ 12
Operating lease assets	52	40
Leases of Lessee Disclosure [Text Block]	52	40
Operating Lease, Liability, Current	7	8
Non-current operating lease liabilities	44	32
Total lease liabilities	51	40
Operating Lease, Payments	8	9
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 18	$ 4
Operating Lease, Weighted Average Remaining Lease Term	12 years
Lessee, Operating Lease, Liability, Payments, Due Year Two	$ 7
Lessee, Operating Lease, Liability, Payments, Due Year Three	6
Lessee, Operating Lease, Liability, Payments, Due Year Four	5
Lessee, Operating Lease, Liability, Payments, Due Year Five	5
Lessee, Operating Lease, Liability, Payments, Due after Year Five	39
Lessee, Operating Lease, Liability, Payments, Due	66
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(15)
Operating Lease, Liability	$ 51
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities