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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
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Statement of Financial Position [Abstract] |  |
Allowance for credit loss | $ 69 | $ 65
Amortized cost | 7,359 | 7,707
Other invested assets fair value disclosure | 27 | 30
Financial guaranty variable interest entities' assets | 413 | 413
Assets of consolidated investment vehicles, fair value disclosure | 5,067 | 5,363
Other assets, fair value disclosure | 140 | 148
Financial guaranty variable interest entities' liabilities, with recourse | 692 | 702
Financial guaranty variable interest entities' liabilities, without recourse | 12 | 13
Liabilities of consolidated investment vehicles, fair value disclosure | $ 4,352 | $ 4,431
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) | 59,274,112 | 59,013,040
Common stock, shares outstanding (in shares) | 59,274,112 | 59,013,040
Accumulated other comprehensive income, tax provision | $ (69) | $ (84)

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