Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net loss	$ (1,700)	$ (1,046)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	539	646
Net (gains) losses on investments and derivatives	223	1,167
Pension and other postretirement remeasurement (gains) losses	56	91
Changes in:
Policy benefits and other insurance reserves	3,068	3,464
Unearned premiums	2,216	2,255
Deferred policy acquisition costs	(385)	(567)
Premium installment receivables, net	(934)	(1,022)
Reinsurance recoverables, net	534	99
Income taxes	(532)	(555)
Other operating assets and liabilities	(82)	(381)
Net cash provided by operating activities	3,003	4,151
Proceeds from sales
Fixed income securities	17,443	25,577
Equity securities	4,755	8,767
Limited partnership interests	590	786
Other investments	153	1,034
Investment collections
Fixed income securities	1,384	526
Mortgage loans	66	92
Other investments	76	144
Investment purchases
Fixed income securities	(23,708)	(30,103)
Equity securities	(2,316)	(7,613)
Limited partnership interests	(639)	(860)
Mortgage loans	(138)	(104)
Other investments	(234)	(269)
Change in short-term and other investments, net	851	1,094
Purchases of property and equipment, net	(196)	(352)
Proceeds from sale of property and equipment	19	0
Net cash used in investing activities	(1,894)	(1,281)
Cash flows from financing activities
Proceeds from issuance of debt	743	0
Repayment of debt	(750)	0
Proceeds from issuance of preferred stock	587	0
Redemption of preferred stock	(575)	0
Contractholder fund deposits	99	102
Contractholder fund withdrawals	(23)	(31)
Dividends paid on common stock	(692)	(698)
Dividends paid on preferred stock	(71)	(79)
Treasury stock purchases	(335)	(2,150)
Shares reissued under equity incentive plans, net	17	61
Other	15	(52)
Net cash used in financing activities	(985)	(2,847)
Net increase in cash	124	23
Cash at beginning of period	736	763
Cash at end of period	$ 860	$ 786