Consolidated Statements Of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows From Operating Activities
Net Income	$ 2,946	$ 1,216	$ 1,997
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	93	81	72
Investment gains and losses, net	(2,353)	(851)	(1,640)
Share-based compensation	33	31	30
Interest credited to contract holders	45	43	44
Deferred income tax expense	477	136	343
Changes in:
Investment income receivable	(8)	(3)	(1)
Premiums and reinsurance receivable	(240)	(23)	(174)
Deferred policy acquisition costs	(73)	(39)	(61)
Other assets	(11)	(26)	(22)
Loss and loss expense reserves	559	599	163
Life policy and investment contract reserves	99	116	107
Unearned premiums	311	172	184
Other liabilities	128	(5)	74
Current income tax receivable/payable	(25)	44	92
Net cash provided by operating activities	1,981	1,491	1,208
Cash Flows From Investing Activities
Sale of fixed maturities	118	179	102
Call or maturity of fixed maturities	1,343	912	1,241
Sale of equity securities	136	515	203
Purchase of fixed maturities	(2,388)	(1,382)	(1,742)
Purchase of equity securities	(313)	(699)	(382)
Investment in finance receivables	(39)	(50)	(34)
Collection of finance receivables	37	35	29
Investment in buildings and equipment	(15)	(20)	(24)
Change in other invested assets, net	64	(50)	(72)
Net cash used in investing activities	(1,057)	(560)	(679)
Cash Flows From Financing Activities
Payment of cash dividends to shareholders	(395)	(375)	(355)
Shares acquired - share repurchase authorization	(144)	(261)	(67)
Changes in note payable	0	15	7
Proceeds from stock options exercised	13	7	11
Contract holders' funds deposited	85	85	86
Contract holders' funds withdrawn	(146)	(159)	(174)
Other	(98)	(110)	(54)
Net cash used in financing activities	(685)	(798)	(546)
Net change in cash and cash equivalents	239	133	(17)
Cash and cash equivalents at beginning of year	900	767	784
Cash and cash equivalents at end of year	1,139	900	767
Supplemental Disclosures of Cash Flow Information
Interest paid	52	53	53
Income taxes paid	257	84	34
Noncash Activities
Equipment acquired under finance lease obligations	12	19	14
Share-based compensation	26	19	9
Other assets and other liabilities	$ 87	$ 57	$ 29