Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Investments:
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $67 and $77 (amortized cost of $6,553 and $6,746)	$ 6,091	$ 6,307
Fixed-maturity securities, trading, at fair value	272	318
Short-term investments, at fair value	1,649	1,661
Other invested assets (includes $4 and $3, at fair value)	875	829
Total investments	8,887	9,115
Cash	115	97
Premiums receivable, net of commissions payable	1,450	1,468
Deferred acquisition costs	164	161
Salvage and subrogation recoverable	295	298
Financial guaranty variable interest entities’ assets (includes $167 and $174, at fair value)	167	328
Assets of consolidated investment vehicles (includes $353 and $331, at fair value)	377	366
Other assets (includes $123 and $123, at fair value)	713	706
Total assets	12,168	12,539
Liabilities
Unearned premium reserve	3,612	3,658
Loss and loss adjustment expense reserve	307	376
Long-term debt	1,695	1,694
Credit derivative liabilities, at fair value	43	53
Financial guaranty variable interest entities’ liabilities, at fair value (with recourse $389 and $543, without recourse $10 and $11)	399	554
Other liabilities	430	439
Total liabilities	6,486	6,774
Commitments and contingencies (Notes 3, 7 and 11)
Shareholders’ equity
Common shares ($0.01 par value, 500,000,000 shares authorized; 55,081,584 and 56,217,305 shares issued and outstanding)	1	1
Retained earnings	6,014	6,070
Accumulated other comprehensive income (loss), net of tax of $(72) and $(67)	(387)	(359)
Deferred equity compensation	1	1
Total shareholders’ equity attributable to Assured Guaranty Ltd.	5,629	5,713
Nonredeemable noncontrolling interests (Note 8)	53	52
Total shareholders’ equity	5,682	5,765
Total liabilities and shareholders’ equity	$ 12,168	$ 12,539