Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Cash provided by operations:
Net income	$ 2,914	$ 2,408
Income charges (credits) not affecting cash:
Depreciation	481	453
Deferred income taxes	(6)	43
Stock-based compensation (Note 8)	176	140
Amortization and other	18	28
Net foreign currency adjustments	192	411
Changes in certain working capital components and other assets and liabilities:
(Increase) in accounts receivable	(124)	(109)
(Increase) in inventories	(359)	(510)
(Increase) in prepaid expenses and other current assets	(149)	(31)
(Decrease) increase in accounts payable, accrued liabilities and income taxes payable	(1,231)	505
Cash provided by operations	1,912	3,338
Cash used by investing activities:
Purchases of short-term investments	(3,759)	(3,754)
Maturities of short-term investments	2,021	2,624
Sales of short-term investments	1,939	1,718
Investments in reverse repurchase agreements	150	(250)
Additions to property, plant and equipment	(901)	(723)
Disposals of property, plant and equipment	9	3
(Increase) in other assets, net of other liabilities	(3)	0
Cash used by investing activities	(544)	(382)
Cash used by financing activities:
Net proceeds from long-term debt issuance (Note 6)	981	0
Long-term debt payments, including current portion	(104)	(5)
Decrease in notes payable	(68)	(83)
Payments on capital lease obligations	(5)	(16)
Proceeds from exercise of stock options and other stock issuances	370	372
Excess tax benefits from share-based payment arrangements	231	150
Repurchase of common stock	(2,698)	(1,855)
Dividends — common and preferred	(752)	(658)
Cash used by financing activities	(2,045)	(2,095)
Effect of exchange rate changes on cash and equivalents	(131)	(66)
Net (decrease) increase in cash and equivalents	(808)	795
Cash and equivalents, beginning of period	3,852	2,220
CASH AND EQUIVALENTS, END OF PERIOD	3,044	3,015
Supplemental disclosure of cash flow information:
Non-cash additions to property, plant and equipment	100	95
Dividends declared and not paid	$ 270	$ 241