Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
Feb. 28, 2018	Feb. 28, 2017
Cash provided by operations:
Net (loss) income	$ 796	$ 3,232
Income charges (credits) not affecting cash:
Depreciation	551	521
Deferred income taxes	564	(199)
Stock-based compensation	158	162
Amortization and other	23	7
Net foreign currency adjustments	(130)	(90)
Changes in certain working capital components and other assets and liabilities:
Decrease (increase) in accounts receivable	3	(546)
(Increase) in inventories	(245)	(157)
(Increase) in prepaid expenses and other current and non-current assets	(474)	(152)
Increase in accounts payable, accrued liabilities and other current and non-current liabilities	1,439	106
Cash provided by operations	2,685	2,884
Cash provided (used) by investing activities:
Purchases of short-term investments	(3,644)	(4,029)
Maturities of short-term investments	3,101	2,433
Sales of short-term investments	1,797	1,905
Additions to property, plant and equipment	(728)	(776)
Disposals of property, plant and equipment	0	13
Other investing activities	0	(34)
Cash provided (used) by investing activities	526	(488)
Cash used by financing activities:
Net proceeds from long-term debt issuance	0	1,482
Long-term debt payments, including current portion	(4)	(43)
(Decrease) increase in notes payable	(314)	24
Payments on capital lease and other financing obligations	(16)	(14)
Proceeds from exercise of stock options and other stock issuances	554	339
Repurchase of common stock	(2,694)	(2,429)
Dividends — common and preferred	(920)	(834)
Tax payments for net share settlement of equity awards	(54)	(8)
Cash used by financing activities	(3,448)	(1,483)
Effect of exchange rate changes on cash and equivalents	91	(30)
Net (decrease) increase in cash and equivalents	(146)	883
Cash and equivalents, beginning of period	3,808	3,138
CASH AND EQUIVALENTS, END OF PERIOD	3,662	4,021
Supplemental disclosure of cash flow information:
Non-cash additions to property, plant and equipment	190	248
Dividends declared and not paid	$ 324	$ 303

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of intangible assets over their estimated remaining economic lives and transactions that result in no cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect method. This element is used when there is not a more specific and appropriate element.

No definition available.