Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities
Net income (loss)	$ 2,709	$ (1,700)
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation, amortization and other non-cash items	404	539
Net (gains) losses on investments and derivatives	24	223
Pension and other postretirement remeasurement (gains) losses	15	56
Changes in:
Policy benefits and other insurance reserves	2,921	3,068
Unearned premiums	2,378	2,216
Deferred policy acquisition costs	(315)	(385)
Premium installment receivables, net	(1,094)	(934)
Reinsurance recoverables, net	(324)	534
Income taxes	346	(532)
Other operating assets and liabilities	162	(82)
Net cash provided by operating activities	7,226	3,003
Proceeds from sales
Fixed income securities	26,841	17,443
Equity securities	2,137	4,755
Limited partnership interests	409	590
Other investments	169	153
Investment collections
Fixed income securities	1,260	1,384
Mortgage loans	74	66
Other investments	35	76
Investment purchases
Fixed income securities	(33,023)	(23,708)
Equity securities	(1,631)	(2,316)
Limited partnership interests	(915)	(639)
Mortgage loans	(17)	(138)
Other investments	(125)	(234)
Change in short-term and other investments, net	(1,653)	851
Purchases of property and equipment, net	(160)	(196)
Proceeds from sale of property and equipment	18	19
Net cash used in investing activities	(6,581)	(1,894)
Cash flows from financing activities
Proceeds from issuance of debt	495	743
Redemption and repayment of debt	(350)	(750)
Proceeds from issuance of preferred stock	0	587
Redemption of preferred stock	0	(575)
Contractholder fund deposits	98	99
Contractholder fund withdrawals	(26)	(23)
Dividends paid on common stock	(719)	(692)
Dividends paid on preferred stock	(88)	(71)
Treasury stock purchases	0	(335)
Shares reissued under equity incentive plans, net	149	17
Other	4	15
Net cash used in financing activities	(437)	(985)
Net increase in cash	208	124
Cash at beginning of period	722	736
Less: Cash classified as assets held for sale at end of period	114	0
Cash at end of period	$ 816	$ 860