CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Feb. 29, 2020	Feb. 28, 2019
Cash flows from operating activities:
Net income	$ 7,019	$ 7,343
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,025	900
Amortization of intangible assets	1,221	1,265
Deferred income taxes	(398)	(741)
Stock-based compensation	1,204	1,259
Other, net	167	144
Changes in operating assets and liabilities, net of effects from acquisitions:
Decrease in trade receivables, net	946	1,106
Decrease in prepaid expenses and other assets	718	168
Decrease in accounts payable and other liabilities	(1,035)	(647)
Decrease in income taxes payable	(789)	(410)
Decrease in deferred revenues	(553)	(258)
Net cash provided by operating activities	9,525	10,129
Cash flows from investing activities:
Purchases of marketable securities and other investments	(399)	(1,310)
Proceeds from maturities of marketable securities and other investments	3,165	10,210
Proceeds from sales of marketable securities	12,575	11,328
Acquisitions, net of cash acquired	(111)	(330)
Capital expenditures	(1,131)	(1,247)
Net cash provided by investing activities	14,099	18,651
Cash flows from financing activities:
Payments for repurchases of common stock	(13,935)	(29,887)
Proceeds from issuances of common stock	1,232	1,468
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(624)	(455)
Payments of dividends to stockholders	(2,330)	(2,126)
Repayments of borrowings	(4,500)	(4,500)
Other, net	(108)	(95)
Net cash used for financing activities	(20,265)	(35,595)
Effect of exchange rate changes on cash and cash equivalents	(44)	(85)
Net increase (decrease) in cash and cash equivalents	3,315	(6,900)
Cash and cash equivalents at beginning of period	20,514	21,620
Cash and cash equivalents at end of period	23,829	14,720
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	65	114
Change in unsettled investment sales	$ 0	$ (168)