Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities
Net income	$ 6,439	$ 2,709
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	374	404
Net (gains) losses on investments and derivatives	241	24
Pension and other postretirement remeasurement (gains) losses	(30)	15
Gain on disposition of operations	(1,610)	0
Changes in:
Claims and claims expense and other insurance reserves	1,129	2,921
Unearned premiums	2,212	2,378
Deferred policy acquisition costs	(297)	(315)
Premium installment receivables, net	(1,113)	(1,094)
Reinsurance recoverables, net	(394)	(324)
Income taxes	286	346
Other operating assets and liabilities	(116)	162
Net cash provided by operating activities	7,121	7,226
Proceeds from sales
Fixed income securities	57,477	26,841
Equity securities	5,646	2,137
Limited partnership interests	941	409
Other investments	2	169
Investment collections
Fixed income securities	489	1,260
Mortgage loans	64	74
Other investments	32	35
Investment purchases
Fixed income securities	(60,481)	(33,023)
Equity securities	(6,447)	(1,631)
Limited partnership interests	(961)	(915)
Mortgage loans	(117)	(17)
Other investments	(253)	(125)
Change in short-term and other investments, net	(4,600)	(1,653)
Purchases of property and equipment, net	(139)	(160)
Proceeds from sale of property and equipment	0	18
Proceeds from disposition of operations, net of cash transferred	3,041	0
Net cash used in investing activities	(5,306)	(6,581)
Cash flows from financing activities
Proceeds from issuance of debt	0	495
Redemption and repayment of debt	0	(350)
Contractholder fund deposits	30	98
Contractholder fund withdrawals	(15)	(26)
Dividends paid on common stock	(773)	(719)
Dividends paid on preferred stock	(88)	(88)
Treasury stock purchases	(799)	0
Shares reissued under equity incentive plans, net	38	149
Other	19	4
Net cash used in financing activities	(1,588)	(437)
Net increase in cash	227	208
Cash at beginning of period	704	722
Less: Cash classified as assets held for sale at end of period	0	114
Cash at end of period	$ 931	$ 816