Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities
Net earnings	$ 13,417	$ 10,571
Noncash items:
Depreciation and amortization	2,159	2,002
Deferred income taxes	119	177
Share-based compensation	527	525
Other, net	48	(181)
Net change in other operating items, net of effects from acquisitions and changes in AARP balances:
Accounts receivable	(194)	957
Other assets	(2,697)	(2,181)
Medical costs payable	(615)	223
Accounts payable and other liabilities	3,441	105
Unearned revenues	(132)	60
Cash flows from operating activities	16,073	12,258
Investing activities
Purchases of investments	(11,570)	(13,386)
Sales of investments	4,887	6,198
Maturities of investments	5,297	5,160
Cash paid for acquisitions, net of cash assumed	(4,326)	(8,200)
Purchases of property, equipment and capitalized software	(1,477)	(1,421)
Other, net	(165)	338
Cash flows used for investing activities	(7,354)	(11,311)
Financing activities
Common share repurchases	(2,541)	(5,101)
Cash dividends paid	(3,400)	(2,908)
Proceeds from common stock issuances	1,206	740
Repayments of long-term debt	(1,500)	(1,250)
(Repayments of) proceeds from short-term borrowings, net	(423)	3,998
Proceeds from issuance of long-term debt	4,864	5,444
Customer funds administered	249	420
Other, net	(449)	(756)
Cash flows (used for) from financing activities	(1,994)	587
Effect of exchange rate changes on cash and cash equivalents	(160)	(37)
Increase in cash and cash equivalents	6,565	1,497
Cash and cash equivalents, beginning of period	10,985	10,866
Cash and cash equivalents, end of period	$ 17,550	$ 12,363