Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 265	$ 1,249	$ 700
Adjustments to reconcile net income to cash provided by operating activities:
Provision for policy losses and other claims	486	589	580
Depreciation and amortization	167	158	149
Impairment losses on exit of business	0	0	55
Amortization of premiums and accretion of discounts on debt securities, net	19	47	39
Net investment losses (gains)	516	(436)	(105)
Share-based compensation	67	54	52
Equity in earnings of affiliates, net	(11)	(7)	(6)
Dividends from equity method investments	11	12	7
Changes in assets and liabilities excluding effects of acquisitions and noncash transactions:
Claims paid, including assets acquired, net of recoveries	(434)	(482)	(471)
Net change in income tax accounts	(130)	53	29
Decrease (increase) in accounts and accrued income receivable	83	(48)	(53)
(Decrease) increase in accounts payable and accrued liabilities	(266)	115	130
(Decrease) increase in deferred revenue	(28)	(47)	19
Other, net	35	(37)	(40)
Cash provided by operating activities	780	1,220	1,085
CASH FLOWS FROM INVESTING ACTIVITIES:
Net cash effect of acquisitions/dispositions	(278)	(187)	(393)
Net (increase) decrease in deposits with banks	(8)	(15)	1
Purchases of debt securities	(2,980)	(6,138)	(2,749)
Proceeds from sales of debt securities	1,753	1,071	759
Proceeds from maturities of debt securities	1,171	1,864	1,630
Purchases of equity securities	(157)	(198)	(194)
Proceeds from sales of equity securities	241	172	103
Net change in other investments	(7)	(12)	(11)
Advances under secured financing agreements	(15,658)	(25,926)	(17,584)
Collections of secured financings receivable	15,778	26,109	17,123
Capital expenditures	(260)	(161)	(114)
Proceeds from sales of property and equipment	7	18	14
Proceeds from insurance settlement	3	10	0
Cash used for investing activities	(395)	(3,393)	(1,415)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net change in deposits	451	1,792	(60)
Borrowings under secured financing agreements	15,533	24,602	15,442
Repayments of secured financings payable	(15,695)	(24,594)	(15,205)
Net proceeds from issuance of unsecured senior notes	0	642	444
Borrowings under unsecured credit facility	0	0	120
Repayments of borrowings under unsecured credit facility	0	0	(280)
Repayments of other notes and contracts payable	(7)	(6)	(6)
Net activity related to noncontrolling interests	(2)	(4)	(3)
Net proceeds (payments) in connection with share-based compensation	2	6	(1)
Repurchases of Company shares	(441)	(99)	(139)
Payments of cash dividends	(217)	(213)	(199)
Cash (used for) provided by financing activities	(376)	2,126	113
Effect of exchange rate changes on cash	(13)	0	6
Net decrease in cash and cash equivalents	(4)	(47)	(211)
Cash and cash equivalents—Beginning of year	1,228	1,275	1,486
Cash and cash equivalents—End of year	1,224	1,228	1,275
SUPPLEMENTAL INFORMATION:
Interest	87	64	54
Premium taxes	113	86	72
Income taxes, less refunds of $2 and $3 in 2022 and 2020, respectively	$ 189	$ 339	$ 193