Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net loss	$ (1,696)	$ (372)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation, amortization and other non-cash items	363	452
Net (gains) losses on investments and derivatives	137	1,000
Pension and other postretirement remeasurement (gains) losses	(93)	12
Changes in:
Policy benefits and other insurance reserves	2,917	1,222
Unearned premiums	1,032	1,201
Deferred policy acquisition costs	(162)	(315)
Premium installment receivables, net	(532)	(664)
Reinsurance recoverables, net	468	645
Income taxes	(538)	(288)
Other operating assets and liabilities	(126)	(788)
Net cash provided by operating activities	1,770	2,105
Proceeds from sales
Fixed income securities	12,454	19,928
Equity securities	4,183	7,622
Limited partnership interests	516	633
Other investments	81	926
Investment collections
Fixed income securities	992	259
Mortgage loans	36	60
Other investments	53	110
Investment purchases
Fixed income securities	(15,875)	(22,907)
Equity securities	(1,717)	(6,028)
Limited partnership interests	(424)	(590)
Mortgage loans	(100)	(89)
Other investments	(140)	(232)
Change in short-term and other investments, net	(986)	398
Purchases of property and equipment, net	(141)	(228)
Proceeds from sale of property and equipment	19	0
Net cash used in investing activities	(1,049)	(138)
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	66	69
Contractholder fund withdrawals	(16)	(21)
Dividends paid on common stock	(459)	(466)
Dividends paid on preferred stock	(53)	(53)
Treasury stock purchases	(307)	(1,485)
Shares reissued under equity incentive plans, net	10	55
Other	(4)	(63)
Net cash used in financing activities	(758)	(1,964)
Net (decrease) increase in cash	(37)	3
Cash at beginning of period	736	763
Cash at end of period	$ 699	$ 766