CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Nov. 30, 2019	Nov. 30, 2018
Cash flows from operating activities:
Net income	$ 4,448	$ 4,598
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	677	566
Amortization of intangible assets	821	858
Deferred income taxes	(263)	(228)
Stock-based compensation	843	832
Other, net	117	118
Changes in operating assets and liabilities, net of effects from acquisitions:
Decrease in trade receivables, net	1,079	1,116
Decrease in prepaid expenses and other assets	638	327
Decrease in accounts payable and other liabilities	(916)	(364)
Decrease in income taxes payable	(613)	(679)
(Decrease) increase in deferred revenues	(318)	124
Net cash provided by operating activities	6,513	7,268
Cash flows from investing activities:
Purchases of marketable securities and other investments	(314)	(1,278)
Proceeds from maturities of marketable securities and other investments	2,204	6,737
Proceeds from sales of marketable securities	12,575	1,110
Acquisitions, net of cash acquired	(111)	(313)
Capital expenditures	(735)	(804)
Net cash provided by investing activities	13,619	5,452
Cash flows from financing activities:
Payments for repurchases of common stock	(9,996)	(19,924)
Proceeds from issuances of common stock	617	1,018
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(559)	(417)
Payments of dividends to stockholders	(1,562)	(1,456)
Repayments of borrowings	(4,500)	(2,500)
Other, net	(96)	(77)
Net cash used for financing activities	(16,096)	(23,356)
Effect of exchange rate changes on cash and cash equivalents	(10)	(160)
Net increase (decrease) in cash and cash equivalents	4,026	(10,796)
Cash and cash equivalents at beginning of period	20,514	21,620
Cash and cash equivalents at end of period	24,540	10,824
Non-cash investing and financing transactions:
Fair values of stock awards assumed in connection with acquisitions	0	8
Change in unsettled repurchases of common stock	4	77
Change in unsettled investment sales	$ 0	$ (332)