CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	May 31, 2019	May 31, 2018	May 31, 2017
Cash flows from operating activities:
Net income	$ 11,083	$ 3,587	$ 9,452
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,230	1,165	1,000
Amortization of intangible assets	1,689	1,620	1,451
Allowances for doubtful accounts receivable	190	146	129
Deferred income taxes	(1,191)	(847)	(440)
Stock-based compensation	1,653	1,607	1,350
Other, net	157	(27)	126
Changes in operating assets and liabilities, net of effects from acquisitions:
(Increase) decrease in trade receivables, net	(272)	267	(67)
Decrease (increase) in prepaid expenses and other assets	261	(258)	(384)
(Decrease) increase in accounts payable and other liabilities	(102)	(260)	230
(Decrease) increase in income taxes payable	(453)	8,150	732
Increase in deferred revenues	306	236	547
Net cash provided by operating activities	14,551	15,386	14,126
Cash flows from investing activities:
Purchases of marketable securities and other investments	(1,400)	(25,282)	(25,867)
Proceeds from maturities of marketable securities and other investments	12,681	20,372	15,186
Proceeds from sales of marketable securities	17,299	2,745	2,429
Acquisitions, net of cash acquired	(363)	(1,724)	(11,221)
Capital expenditures	(1,660)	(1,736)	(2,021)
Net cash provided by (used for) investing activities	26,557	(5,625)	(21,494)
Cash flows from financing activities:
Payments for repurchases of common stock	(36,140)	(11,347)	(3,561)
Proceeds from issuances of common stock	2,155	2,402	2,181
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(503)	(506)	(283)
Payments of dividends to stockholders	(2,932)	(3,140)	(2,631)
Proceeds from borrowings, net of issuance costs	0	12,443	17,732
Repayments of borrowings	(4,500)	(9,800)	(4,094)
Other, net	(136)	(34)	(258)
Net cash (used for) provided by financing activities	(42,056)	(9,982)	9,086
Effect of exchange rate changes on cash and cash equivalents	(158)	57	(86)
Net (decrease) increase in cash and cash equivalents	(1,106)	(164)	1,632
Cash and cash equivalents at beginning of period	21,620	21,784	20,152
Cash and cash equivalents at end of period	20,514	21,620	21,784
Non-cash investing and financing transactions:
Fair values of restricted stock-based awards and stock options assumed in connection with acquisitions	8	3	90
Change in unsettled repurchases of common stock	(140)	154	(69)
Change in unsettled investment purchases	0	(303)	73
Supplemental schedule of cash flow data:
Cash paid for income taxes	2,901	1,562	1,983
Cash paid for interest	$ 2,059	$ 1,910	$ 1,612