CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
Aug. 31, 2018	Aug. 31, 2017
Cash flows from operating activities:
Net income	$ 2,265	$ 2,144
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	286	285
Amortization of intangible assets	434	411
Deferred income taxes	(112)	141
Stock-based compensation	436	403
Other, net	52	48
Changes in operating assets and liabilities, net of effects from acquisitions:
Decrease in trade receivables, net	1,390	1,804
Decrease in prepaid expenses and other assets	309	246
Decrease in accounts payable and other liabilities	(561)	(770)
Increase in income taxes payable	10	32
Increase in deferred revenues	2,213	1,822
Net cash provided by operating activities	6,722	6,566
Cash flows from investing activities:
Purchases of marketable securities and other investments	(739)	(7,671)
Proceeds from maturities and sales of marketable securities and other investments	4,704	6,326
Acquisitions, net of cash acquired	(50)	0
Capital expenditures	(383)	(473)
Net cash provided by (used for) investing activities	3,532	(1,818)
Cash flows from financing activities:
Payments for repurchases of common stock	(9,967)	(502)
Proceeds from issuances of common stock	291	1,014
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(379)	(331)
Payments of dividends to stockholders	(742)	(788)
Repayments of borrowings	(2,500)	(4,800)
Distributions to noncontrolling interests	(36)	(34)
Net cash used for financing activities	(13,333)	(5,441)
Effect of exchange rate changes on cash and cash equivalents	(86)	230
Net decrease in cash and cash equivalents	(3,165)	(463)
Cash and cash equivalents at beginning of period	21,620	21,784
Cash and cash equivalents at end of period	18,455	21,321
Non-cash investing and financing transactions:
Fair values of restricted stock-based awards and stock options assumed in connection with acquisitions	8	0
Change in unsettled repurchases of common stock	33	(2)
Change in unsettled investment purchases	$ 0	$ (138)

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Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration