Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities
Net income	$ 596	$ 1,198
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	132	132
Net (gains) losses on investments and derivatives	349	164
Pension and other postretirement remeasurement (gains) losses	78	(2)
Changes in:
Policy benefits and other insurance reserves	1,930	323
Unearned premiums	259	267
Deferred policy acquisition costs	(14)	(12)
Premium installment receivables, net	(442)	(549)
Reinsurance recoverables, net	(1,216)	82
Income taxes	14	217
Other operating assets and liabilities	278	(154)
Net cash provided by operating activities	1,964	1,666
Proceeds from sales
Fixed income securities	11,718	6,719
Equity securities	1,408	500
Limited partnership interests	219	130
Other investments	(3)	84
Investment collections
Fixed income securities	141	538
Mortgage loans	45	7
Other investments	4	6
Investment purchases
Fixed income securities	(10,504)	(9,592)
Equity securities	(1,653)	(430)
Limited partnership interests	(355)	(237)
Mortgage loans	(29)	0
Other investments	(97)	(40)
Change in short-term and other investments, net	(2,095)	966
Purchases of property and equipment, net	(92)	(41)
Proceeds from sale of property and equipment	0	18
Net cash used in investing activities	(1,293)	(1,372)
Cash flows from financing activities
Contractholder fund deposits	30	34
Contractholder fund withdrawals	(15)	(8)
Dividends paid on common stock	(244)	(233)
Dividends paid on preferred stock	(29)	(29)
Treasury stock purchases	(99)	0
Shares reissued under equity incentive plans, net	15	80
Other	8	(10)
Net cash used in financing activities	(334)	(166)
Net increase in cash	337	128
Cash at beginning of period	704	722
Less: Cash classified as assets held for sale at end of period	201	0
Cash at end of period	$ 840	$ 850