Unaudited Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Investments:
Debt securities available for sale, at fair value	$ 27,499	$ 25,616
Equity securities, at fair value	1,397	1,186
Other investments, at fair value	3,206	2,488
Investments accounted for using the equity method	4,983	4,566
Total investments	37,085	33,856
Cash	1,020	917
Accrued investment income	287	236
Investment in operating affiliates	1,143	1,119
Premiums receivable (net of allowance for credit losses: $36 and $34)	6,268	4,644
Reinsurance recoverable on unpaid and paid losses and loss adjustment expenses (net of allowance for credit losses: $20 and $21)	7,473	7,064
Contractholder receivables (net of allowance for credit losses: $4 and $3)	2,016	1,814
Ceded unearned premiums	2,981	2,170
Deferred acquisition costs	1,635	1,531
Receivable for securities sold	116	63
Goodwill and intangible assets	725	731
Other assets	4,716	4,761
Total assets	65,465	58,906
Liabilities
Reserve for losses and loss adjustment expenses	24,466	22,752
Unearned premiums	10,452	8,808
Reinsurance balances payable	2,591	2,000
Contractholder payables	2,020	1,817
Collateral held for insured obligations	263	259
Senior notes	2,727	2,726
Payable for securities purchased	410	247
Other liabilities	1,871	1,942
Total liabilities	44,800	40,551
Commitments and contingencies (refer to Note 10)
Redeemable noncontrolling interests	0	2
Shareholders' Equity
Non-cumulative preferred shares	830	830
Common shares ($0.0011 par, shares issued: 595.0 and 591.9)	1	1
Additional paid-in capital	2,443	2,327
Retained earnings	22,664	20,295
Accumulated other comprehensive income (loss), net of deferred income tax	(810)	(676)
Common shares held in treasury, at cost (shares: 219.0 and 218.5)	(4,463)	(4,424)
Total shareholders' equity available to Arch	20,665	18,353
Total liabilities, noncontrolling interests and shareholders' equity	65,465	58,906
Fixed maturities available for sale, at fair value (amortized cost: $25,882 and $24,131; net of allowance for credit losses: $27 and $28)
Investments:
Debt securities available for sale, at fair value	25,202	23,553
Short-term investments available for sale, at fair value (amortized cost: $2,296 and $2,064; net of allowance for credit losses: $0 and $0)
Investments:
Debt securities available for sale, at fair value	$ 2,297	$ 2,063