Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Allowance for credit loss	$ 42	$ 78
Other invested assets, fair value disclosure	31	106
Assets of consolidated investment vehicles, fair value disclosure	4,902	1,727
Other assets, fair value disclosure	132	145
Financial guaranty variable interest entities' liabilities, with recourse	269	316
Financial guaranty variable interest entities' liabilities, without recourse	20	17
Liabilities of consolidated investment vehicles, fair value disclosure	$ 3,849	$ 1,299
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	67,518,424	77,546,896
Common stock, shares outstanding (in shares)	67,518,424	77,546,896
Accumulated other comprehensive income, tax provision	$ 60	$ 89
Fixed-maturity securities
Allowance for credit loss	42	78
Amortized cost	$ 7,822	$ 8,204