Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 2,004	$ 1,779
Adjustments to reconcile net income to net cash provided by operating activities:
Net losses on financial instruments	113	151
Equity in net earnings of other invested assets	30	(153)
Depreciation and amortization	462	358
Deferred income taxes	(255)	(96)
Share-based compensation	61	50
Changes in operating assets and liabilities:
Receivables, net	(29)	(1,348)
Other invested assets	(15)	7
Other assets	(348)	(350)
Policy liabilities	306	1,092
Unearned income	3,282	57
Accounts payable and other liabilities	18	428
Income taxes	839	568
Other, net	1	(2)
Net cash provided by operating activities	6,469	2,541
Investing activities
Purchases of investments	(7,443)	(5,050)
Proceeds from sale of investments	2,489	3,047
Maturities, calls and redemptions from investments	3,533	1,209
Changes in securities lending collateral	204	(441)
Purchases of subsidiaries, net of cash acquired	(1,638)	(61)
Purchases of property and equipment	(301)	(254)
Other, net	(28)	(28)
Net cash used in investing activities	(3,184)	(1,578)
Financing activities
Net proceeds from commercial paper borrowings	325	225
Proceeds from long-term borrowings	2,574	0
Repayments of long-term borrowings	(1,908)	(14)
Changes in securities lending payable	(205)	441
Changes in bank overdrafts	(291)	529
Repurchase and retirement of common stock	(622)	(545)
Cash dividends	(351)	(309)
Proceeds from issuance of common stock under employee stock plans	43	76
Taxes paid through withholding of common stock under employee stock plans	(98)	(86)
Other, net	2	5
Net cash (used in) provided by financing activities	(531)	322
Effect of foreign exchange rates on cash and cash equivalents	1	(4)
Change in cash and cash equivalents	2,755	1,281
Cash and cash equivalents at beginning of period	7,387	4,880
Cash and cash equivalents at end of period	$ 10,142	$ 6,161