Commitments and Contingencies, Variable Interest Entities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Amount Reflected in Consolidated Balance Sheets [Abstract]
Variable interest entity, consolidated, carrying amount, assets	$ 1	$ 1
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities	1	1
Other Commitments [Line Items]
Variable interest entity, consolidated, carrying amount, assets	1	1
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities	$ 1	$ 1