Condensed Consolidated Statements of Financial Position (unaudited) - USD ($) shares in Millions, $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Investments
Fixed income securities, at fair value (amortized cost, net $52,340 and $53,616)	$ 51,993	$ 52,747
Equity securities, at fair value (cost $4,392 and $4,329)	4,465	4,463
Mortgage loans, net	770	784
Limited partnership interests	9,380	9,255
Short-term, at fair value (amortized cost $6,544 and $4,539)	6,541	4,537
Other investments, net	901	824
Total investments	74,050	72,610
Cash	840	704
Premium installment receivables, net	11,053	10,614
Deferred policy acquisition costs	5,787	5,773
Reinsurance and indemnification recoverables, net	10,091	8,924
Accrued investment income	614	615
Deferred income taxes	229	231
Property and equipment, net	632	669
Goodwill	3,115	3,245
Other assets, net	4,964	5,140
Assets held for sale	3,786	3,092
Total assets	115,161	111,617
Liabilities
Reserve for property and casualty insurance claims and claims expense	43,835	41,917
Reserve for future policy benefits	86	269
Unearned premiums	27,167	26,909
Claim payments outstanding	1,659	1,567
Other liabilities and accrued expenses	9,901	9,390
Debt	8,086	8,085
Liabilities held for sale	2,375	2,113
Total liabilities	93,109	90,250
Commitments and Contingent Liabilities (Note 14)
Equity
Preferred stock and additional capital paid-in, $1 par value, 25 million shares authorized, 82.0 thousand shares issued and outstanding, $2,050 aggregate liquidation preference	2,001	2,001
Common stock, $.01 par value, 2.0 billion shares authorized and 900 million issued, 265 million shares outstanding	9	9
Additional capital paid-in	4,048	4,029
Retained income	53,586	53,288
Treasury stock, at cost (635 million shares)	(37,080)	(36,996)
Accumulated other comprehensive income (loss):
Unrealized net capital gains and losses	(351)	(771)
Unrealized foreign currency translation adjustments	(190)	(145)
Unamortized pension and other postretirement prior service credit	11	11
Discount rate for reserve for future policy benefits	21	16
Total accumulated other comprehensive loss	(509)	(889)
Total Allstate shareholders’ equity	22,055	21,442
Noncontrolling interest	(3)	(75)
Total equity	22,052	21,367
Total liabilities and equity	$ 115,161	$ 111,617
Common stock, shares outstanding (in shares)	265	265
Treasury stock, shares (in shares)	635	635