CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Nov. 30, 2015	Nov. 30, 2014
Cash flows from operating activities:
Net income	$ 3,945	$ 4,685
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	429	324
Amortization of intangible assets	875	1,116
Deferred income taxes	(83)	(321)
Stock-based compensation	507	455
Tax benefits on the exercise of stock options and vesting of restricted stock-based awards	147	136
Excess tax benefits on the exercise of stock options and vesting of restricted stock-based awards	(40)	(74)
Other, net	77	103
Changes in operating assets and liabilities, net of effects from acquisitions:
Decrease in trade receivables, net	1,614	1,813
Decrease in inventories	61	14
Decrease in prepaid expenses and other assets	139	439
Decrease in accounts payable and other liabilities	(960)	(861)
(Decrease) increase in income taxes payable	(367)	191
Increase (decrease) in deferred revenues	13	(230)
Net cash provided by operating activities	6,357	7,790
Cash flows from investing activities:
Purchases of marketable securities and other investments	(17,638)	(17,514)
Proceeds from maturities and sales of marketable securities and other investments	15,088	10,153
Acquisitions, net of cash acquired	(147)	(5,122)
Capital expenditures	(641)	(426)
Net cash used for investing activities	(3,338)	(12,909)
Cash flows from financing activities:
Payments for repurchases of common stock	(6,258)	(4,087)
Proceeds from issuances of common stock	640	907
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(77)	(7)
Payments of dividends to stockholders	(1,286)	(1,070)
Proceeds from borrowings, net of issuance costs		9,945
Repayments of borrowings		(1,500)
Excess tax benefits on the exercise of stock options and vesting of restricted stock-based awards	40	74
Distributions to noncontrolling interests	(85)	(196)
Net cash (used for) provided by financing activities	(7,026)	4,066
Effect of exchange rate changes on cash and cash equivalents	(298)	(563)
Net decrease in cash and cash equivalents	(4,305)	(1,616)
Cash and cash equivalents at beginning of period	21,716	17,769
Cash and cash equivalents at end of period	17,411	16,153
Non-cash investing and financing transactions:
Fair value of stock options assumed in connection with acquisitions		6
Increase in unsettled repurchases of common stock	23	1
(Decrease) increase in unsettled investment purchases	$ (142)	$ 222