Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Investments:
Fixed-maturity securities, available-for-sale, at fair value, net of allowance for credit loss of $69 and $65 (amortized cost of $7,359 and $7,707)	$ 6,869	$ 7,119
Fixed-maturity securities, trading, at fair value	300	303
Short-term investments, at fair value	1,273	810
Other invested assets (includes $27 and $30, at fair value)	140	133
Total investments	8,582	8,365
Cash	118	107
Premiums receivable, net of commissions payable	1,346	1,298
Deferred acquisition costs	151	147
Salvage and subrogation recoverable	258	257
Financial guaranty variable interest entities’ assets (includes $413 and $413, at fair value)	415	416
Assets of consolidated investment vehicles (includes $5,067 and $5,363, at fair value)	5,118	5,493
Goodwill and other intangible assets	6	163
Assets held for sale	227	0
Other assets (includes $140 and $148, at fair value)	557	597
Total assets	16,778	16,843
Liabilities
Unearned premium reserve	3,631	3,620
Loss and loss adjustment expense reserve	291	296
Long-term debt	1,676	1,675
Credit derivative liabilities, at fair value	150	163
Financial guaranty variable interest entities’ liabilities, at fair value (with recourse $692 and $702, without recourse $12 and $13)	704	715
Liabilities of consolidated investment vehicles (includes $4,352 and $4,431, at fair value)	4,458	4,625
Liabilities held for sale	51	0
Other liabilities	402	457
Total liabilities	11,363	11,551
Commitments and contingencies (Note 12)
Shareholders’ equity
Common shares ($0.01 par value, 500,000,000 shares authorized; 59,274,112 and 59,013,040 shares issued and outstanding)	1	1
Retained earnings	5,638	5,577
Accumulated other comprehensive income (loss), net of tax of $(69) and $(84)	(420)	(515)
Deferred equity compensation	1	1
Total shareholders’ equity attributable to Assured Guaranty Ltd.	5,220	5,064
Nonredeemable noncontrolling interests (Note 8)	195	228
Total shareholders’ equity	5,415	5,292
Total liabilities and shareholders’ equity	$ 16,778	$ 16,843