Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating activities
Net earnings	$ 6,942	$ 5,934
Noncash items:
Depreciation and amortization	1,293	1,180
Deferred income taxes	195	(158)
Share-based compensation	398	358
Other, net	(127)	10
Net change in other operating items, net of effects from acquisitions and changes in AARP balances:
Accounts receivable	2,196	(1,021)
Other assets	(1,774)	(2,369)
Medical costs payable	447	1,263
Accounts payable and other liabilities	(33)	2,233
Unearned revenues	(429)	4,946
Cash flows from operating activities	9,108	12,376
Investing activities
Purchases of investments	(7,649)	(8,182)
Sales of investments	2,680	2,003
Maturities of investments	3,315	3,211
Cash paid for acquisitions, net of cash assumed	(4,751)	(2,636)
Purchases of property, equipment and capitalized software	(977)	(960)
Other, net	504	(134)
Cash flows used for investing activities	(6,878)	(6,698)
Financing activities
Common share repurchases	(4,501)	(3,150)
Cash dividends paid	(1,884)	(1,588)
Proceeds from common stock issuances	448	478
Repayments of long-term debt	(1,250)	(1,100)
Proceeds from (repayments of) commercial paper, net	6,924	(181)
Proceeds from issuance of Long-term Debt	0	3,964
Customer funds administered	1,435	3,082
Other, net	(529)	(718)
Cash flows from financing activities	643	787
Effect of exchange rate changes on cash and cash equivalents	6	(78)
Increase in cash and cash equivalents	2,879	6,387
Cash and cash equivalents, beginning of period	10,866	11,981
Cash and cash equivalents, end of period	$ 13,745	$ 18,368