Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities
Net earnings	$ 3,465	$ 3,557
Noncash items:
Depreciation and amortization	723	639
Deferred income taxes	202	134
Share-based compensation	231	243
Other, net	45	42
Net change in other operating items, net of effects from acquisitions and changes in AARP balances:
Accounts receivable	(2,652)	(1,421)
Other assets	(4,249)	(1,495)
Medical costs payable	1,120	1,125
Accounts payable and other liabilities	4,137	318
Unearned revenues	(79)	92
Cash flows from operating activities	2,943	3,234
Investing activities
Purchases of investments	(3,866)	(3,540)
Sales of investments	2,170	1,510
Maturities of investments	1,726	1,711
Cash paid for acquisitions, net of cash assumed	(929)	(689)
Purchases of property, equipment and capitalized software	(469)	(562)
Other, net	(165)	154
Cash flows used for investing activities	(1,533)	(1,416)
Financing activities
Common share repurchases	(1,691)	(3,002)
Cash dividends paid	(1,024)	(860)
Proceeds from common stock issuances	557	323
Repayments of long-term debt	0	(1,250)
Proceeds from short-term borrowings, net	10,797	3,101
Customer funds administered	1,062	1,784
Other, net	(398)	(368)
Cash flows from (used for) financing activities	9,303	(272)
Effect of exchange rate changes on cash and cash equivalents	(129)	(5)
Increase in cash and cash equivalents	10,584	1,541
Cash and cash equivalents, beginning of period	10,985	10,866
Cash and cash equivalents, end of period	$ 21,569	$ 12,407