Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Assets
Amortized cost of fixed maturity securities available-for-sale	$ 85,353	$ 83,395
Fixed maturity securities, allowance for credit losses	22	6
Mortgage loans valuation allowances	137	119
Leveraged leases, allowance for credit losses	13	13
Premiums, reinsurance and other, allowance for credit losses	$ 13	$ 10
Brighthouse Life Insurance Company’s stockholder’s equity:
Common stock, par value	$ 25,000	$ 25,000
Common stock, shares authorized	4,000	4,000
Common stock, shares issued	3,000	3,000
Common stock, shares outstanding	3,000	3,000