Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Intangible assets	$ 317		$ 317		$ 326
Amortization of Intangible Assets	7	$ 13	13	$ 28
Finite-Lived Intangible Assets, Net	303		303		312
PWIC
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	14		14		14
Insurance Intangible Asset [Member]
Intangible Assets, Gross (Excluding Goodwill)	1,257		1,257		1,247
Finite-Lived Intangible Assets, Accumulated Amortization	999		999		981
Intangible assets	258		258		266
Other Intangible Assets
Intangible Assets, Gross (Excluding Goodwill)	52		52		52
Finite-Lived Intangible Assets, Accumulated Amortization	7		7		6
Intangible assets	$ 45		$ 45		$ 47