Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities
Net earnings	$ 10,161	$ 6,942
Noncash items:
Depreciation and amortization	1,440	1,293
Deferred income taxes	114	195
Share-based compensation	388	398
Other, net	124	(127)
Net change in other operating items, net of effects from acquisitions and changes in AARP balances:
Accounts receivable	(439)	2,196
Other assets	(3,784)	(1,774)
Medical costs payable	(2,353)	447
Accounts payable and other liabilities	7,591	(33)
Unearned revenues	(296)	(429)
Cash flows from operating activities	12,946	9,108
Investing activities
Purchases of investments	(6,412)	(7,649)
Sales of investments	3,548	2,680
Maturities of investments	3,437	3,315
Cash paid for acquisitions, net of cash assumed	(3,952)	(4,751)
Purchases of property, equipment and capitalized software	(920)	(977)
Other, net	(186)	504
Cash flows used for investing activities	(4,485)	(6,878)
Financing activities
Common share repurchases	(1,691)	(4,501)
Cash dividends paid	(2,212)	(1,884)
Proceeds from common stock issuances	870	448
Repayments of long-term debt	0	(1,250)
Proceeds from short-term borrowings, net	351	6,924
Proceeds from issuance of long-term debt	4,864	0
Customer funds administered	1,263	1,435
Other, net	(421)	(529)
Cash flows from financing activities	3,024	643
Effect of exchange rate changes on cash and cash equivalents	(143)	6
Increase in cash and cash equivalents	11,342	2,879
Cash and cash equivalents, beginning of period	10,985	10,866
Cash and cash equivalents, end of period	$ 22,327	$ 13,745