Leases Operating Lease Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Leases, Income Statement, Lease Revenue [Abstract]
Fixed Lease Income	$ 7	$ 8	$ 19	$ 24
Total Operating Lease Income	7	$ 8	19	24
Energy Holdings [Member]
Operating Leases, Income Statement, Lease Revenue [Abstract]
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	$ 30		$ 30
Impairment of Long-Lived Assets to be Disposed of				$ 53