CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2014
Cash flows from operating activities:
Net income	$ 8,901	$ 9,938	$ 10,955
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	871	712	608
Amortization of intangible assets	1,638	2,149	2,300
Allowances for doubtful accounts receivable	130	56	122
Deferred income taxes	(105)	(548)	(248)
Stock-based compensation	1,037	933	805
Tax benefits on the exercise of stock options and vesting of restricted stock-based awards	311	396	480
Excess tax benefits on the exercise of stock options and vesting of restricted stock-based awards	(124)	(244)	(250)
Other, net	143	327	311
Changes in operating assets and liabilities, net of effects from acquisitions:
Decrease in trade receivables	96	208	24
Decrease (increase) in inventories	88	(96)	57
Increase in prepaid expenses and other assets	(90)	(387)	(143)
(Decrease) increase in accounts payable and other liabilities	(13)	247	48
Increase (decrease) in income taxes payable	2	(10)	(320)
Increase in deferred revenues	676	655	172
Net cash provided by operating activities	13,561	14,336	14,921
Cash flows from investing activities:
Purchases of marketable securities and other investments	(24,562)	(31,421)	(32,316)
Proceeds from maturities and sales of marketable securities and other investments	21,247	20,004	28,845
Acquisitions, net of cash acquired	(650)	(6,239)	(3,488)
Capital expenditures	(1,189)	(1,391)	(580)
Net cash used for investing activities	(5,154)	(19,047)	(7,539)
Cash flows from financing activities:
Payments for repurchases of common stock	(10,440)	(8,087)	(9,813)
Proceeds from issuances of common stock	1,425	1,816	2,155
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(89)	(14)	(20)
Payments of dividends to stockholders	(2,541)	(2,255)	(2,178)
Proceeds from borrowings, net of issuance costs	3,750	19,842	5,566
Repayments of borrowings	(2,000)	(1,500)
Excess tax benefits on the exercise of stock options and vesting of restricted stock-based awards	124	244	250
Distributions to noncontrolling interests	(85)	(196)	(28)
Net cash (used for) provided by financing activities	(9,856)	9,850	(4,068)
Effect of exchange rate changes on cash and cash equivalents	(115)	(1,192)	(158)
Net (decrease) increase in cash and cash equivalents	(1,564)	3,947	3,156
Cash and cash equivalents at beginning of period	21,716	17,769	14,613
Cash and cash equivalents at end of period	20,152	21,716	17,769
Non-cash investing and financing transactions:
Fair values of restricted stock-based awards and stock options assumed in connection with acquisitions	1	12	148
(Decrease) increase in unsettled repurchases of common stock	(1)	1	(15)
(Decrease) increase in unsettled investment purchases	(112)	264	78
Supplemental schedule of cash flow data:
Cash paid for income taxes	2,331	3,055	2,841
Cash paid for interest	$ 1,616	$ 1,022	$ 827