Related Party Transactions Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Due to related parties	$ 56	$ 89
Fees and expenses of investment facilities and services
Amounts reimbursed to Loews for services provided to the Company	47	47	$ 44
Due to related parties	23	22
Corporate services and related travel expenses
Amounts reimbursed to Loews for services provided to the Company	1	1
Taxes paid
Due from related parties	33	67
Loews
Amounts earned from Loews for insurance premiums	$ 2	$ 2	$ 2