Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income	$ 2,023	$ 2,329
Adjustments to reconcile net income to net cash provided by operating activities:
Net realized investment (gains) losses	211	(113)
Depreciation and amortization	639	662
Deferred federal income tax expense (benefit)	(130)	61
Amortization of deferred acquisition costs	4,081	3,742
Equity in income from other investments	(319)	(774)
Premiums receivable	(861)	(462)
Reinsurance recoverables	185	20
Deferred acquisition costs	(4,419)	(3,955)
Claims and claim adjustment expense reserves	1,694	2,299
Unearned premium reserves	2,033	1,460
Other operating activities	(12)	313
Net cash provided by operating activities	5,125	5,582
Cash flows from investing activities
Proceeds from maturities of fixed maturities	5,481	6,523
Proceeds from sales of investments:
Fixed maturities	3,951	2,864
Equity securities	104	74
Real estate investments	10	7
Other investments	242	275
Purchases of investments:
Fixed maturities	(12,100)	(14,356)
Equity securities	(112)	(375)
Real estate investments	(28)	(22)
Other investments	(414)	(336)
Net sales (purchases) of short-term securities	(107)	754
Securities transactions in the course of settlement	214	407
Acquisitions, net of cash acquired	(4)	(38)
Other investing activities	(291)	(199)
Net cash used in investing activities	(3,054)	(4,422)
Cash flows from financing activities
Treasury stock acquired — share repurchase authorizations	(1,500)	(1,356)
Treasury stock acquired — net employee share-based compensation	(60)	(43)
Dividends paid to shareholders	(656)	(655)
Issuance of debt	0	739
Issuance of common stock — employee share options	205	256
Net cash used in financing activities	(2,011)	(1,059)
Effect of exchange rate changes on cash	(48)	(4)
Net increase in cash	12	97
Cash at beginning of year	761	721
Cash at end of period	773	818
Supplemental disclosure of cash flow information
Income taxes paid	663	543
Interest paid	$ 234	$ 222