Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions		Mar. 31, 2025	Dec. 31, 2024
Assets
Short-term investments, at fair value (amortized cost – $4,434 and $5,143) (includes variable interest entities (VIE) balances of $131 and $57)		$ 4,432	$ 5,142
Fixed maturities available-for-sale, at fair value, net of valuation allowance – $63 and $70 (amortized cost – $114,930 and $115,083)		111,123	110,363
Private debt held-for-investment, at amortized cost, net of valuation allowance – $3 and $4		2,460	2,628
Equity securities, at fair value (includes VIE balances of $1,631 and $1,289)		9,556	9,151
Private equities (includes VIE balances of $22 and $22)		15,506	14,769
Other investments (includes VIE balances of $5,002 and $4,538)		9,224	8,597
Total investments		152,301	150,650
Cash, including restricted cash $278 and $261 (includes VIE balances of $205 and $114)		2,250	2,549
Securities lending collateral		1,909	1,445
Accrued investment income		1,196	1,160
Insurance and reinsurance balances receivable, net of valuation allowance – $58 and $59		15,358	14,426
Reinsurance recoverable on losses and loss expenses, net of valuation allowance – $320 and $310	[1]	20,015	19,777
Reinsurance recoverable on policy benefits	[1]	267	289
Deferred policy acquisition costs		8,775	8,358
Value of business acquired		3,134	3,223
Goodwill		19,716	19,579
Other intangible assets		6,363	6,377
Deferred tax assets		1,798	1,603
Prepaid reinsurance premiums		3,681	3,378
Separate account assets		6,285	6,231
Other assets (includes VIE balances of $32 and $26)		8,704	7,503
Total assets		251,752	246,548
Liabilities
Unpaid losses and loss expenses		85,471	84,004
Unearned premiums		24,487	23,504
Future policy benefits		16,690	16,121
Market risk benefits		708	607
Policyholders' account balances		8,129	8,016
Separate account liabilities		6,285	6,231
Insurance and reinsurance balances payable		8,446	8,121
Repurchase agreements (includes VIE balances of $1,102 and $815)		3,124	2,731
Securities lending payable		1,909	1,445
Accounts payable, accrued expenses, and other liabilities (includes VIE balances of $93 and $183)		9,213	10,192
Deferred tax liabilities		1,608	1,584
Short-term debt		0	800
Long-term debt		14,508	14,379
Hybrid debt		419	419
Total liabilities		180,997	178,154
Commitments and contingencies (refer to Note 11)
Shareholders’ equity
Common Shares (CHF 0.50 par value; 412,107,421 and 419,625,986 shares issued; 400,748,485 and 400,703,663 shares outstanding)		231	235
Common Shares in treasury (11,358,936 and 18,922,323 shares)		(1,799)	(3,524)
Additional paid-in capital		13,976	14,393
Retained earnings		60,953	61,561
Accumulated other comprehensive income (loss) (AOCI)		(7,635)	(8,644)
Total Chubb shareholders’ equity		65,726	64,021
Noncontrolling interests (includes VIE balances of $4,117 and $3,459)		5,029	4,373
Total shareholders' equity		70,755	68,394
Total liabilities and shareholders’ equity		$ 251,752	$ 246,548

[1] Net of valuation allowance for uncollectible reinsurance.