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Consolidated Balance Sheets (Parentheticals) - USD ($) shares in Millions, $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fixed maturities available for sale, at amortized cost | $ 26,195 | $ 22,615
Allowance for credit losses on investments | 28 | 41
Investments accounted for using the fair value option | 2,488 | 1,644
Allowance for credit losses on premiums receivable | 34 | 35
Allowance for credit losses on reinsurance recoverable | 21 | 22
Allowance for credit loss on contractholder receivable | $ 3 | $ 3
Common shares, par value per share | $ 0.0011 | $ 0.0011
Common shares issued (shares) | 591.9 | 588.3
Common shares held in treasury (shares) | 218.5 | 217.9
Fixed maturities available for sale, at fair value (amortized cost: $24,131 and $21,282; net of allowance for credit losses: $28 and $41) |  |
Fixed maturities available for sale, at amortized cost | $ 24,131 | $ 21,282
Allowance for credit losses on investments | 28 | 41
Short-term investments |  |
Fixed maturities available for sale, at amortized cost | 2,064 | 1,333
Allowance for credit losses on investments | $ 0 | $ 0

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