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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
ASSETS: |  |
Amortized Cost | $ 25,247 | $ 24,191
Fixed maturities - available for sale, allowance for credit loss | (62) | (54)
Fixed maturities - held to maturity, at amortized cost, net of credit allowances, fair value | 814 | 821
Fixed maturities - held to maturity, at amortized cost, credit allowances | (9) | (9)
Premium receivable, allowance for credit loss | (30) | (29)
Reinsurance recoverables on paid losses, allowance | (24) | (23)
Other assets, allowance for credit loss | $ (7) | $ (5)
SHAREHOLDERS' EQUITY: |  |
Preferred stock, par or stated value per share (in dollars per share) | $ 10,000.00 | $ 10,000.00
Preferred stock, shares authorized (in shares) | 50,000,000.0 | 50,000,000.0
Preferred stock, shares issued (in shares) | 0 | 0
Preferred stock, shares outstanding (in shares) | 0 | 0
Common stock, par or stated value per share (in dollars per share) | $ 10,000.00 | $ 10,000.00
Common shares, authorized (in shares) | 200,000,000.0 | 200,000,000.0
Common shares, outstanding (in shares) | 70,000,000.0 | 69,900,000
Accumulated other comprehensive income (loss), net deferred income tax expense (benefit) | $ (218) | $ (250)
Treasury shares (in shares) | 30,800,000 | 30,800,000

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