Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
Feb. 28, 2019	Feb. 28, 2018
Cash provided by operations:
Net income	$ 3,040	$ 796
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	527	551
Deferred income taxes	67	564
Stock-based compensation	226	158
Amortization and other	9	23
Net foreign currency adjustments	218	(130)
Changes in certain working capital components and other assets and liabilities:
(Increase) decrease in accounts receivable	(460)	3
(Increase) decrease in inventories	(226)	(245)
(Increase) decrease in prepaid expenses and other current and non-current assets	(167)	(474)
Increase (decrease) in accounts payable, accrued liabilities and other current and non-current liabilities	659	1,439
Cash provided by operations	3,893	2,685
Cash (used) provided by investing activities:
Purchases of short-term investments	(2,384)	(3,644)
Maturities of short-term investments	1,613	3,101
Sales of short-term investments	1,491	1,797
Additions to property, plant and equipment	(846)	(728)
Disposals of property, plant and equipment	5	0
Cash (used) provided by investing activities	(121)	526
Cash used by financing activities:
Long-term debt payments, including current portion	(5)	(4)
Increase (decrease) in notes payable	(320)	(314)
Payments on capital lease and other financing obligations	(21)	(16)
Proceeds from exercise of stock options and other stock issuances	487	554
Repurchases of common stock	(3,405)	(2,694)
Dividends — common and preferred	(986)	(920)
Tax payments for net share settlement of equity awards	(17)	(54)
Cash used by financing activities	(4,267)	(3,448)
Effect of exchange rate changes on cash and equivalents	(59)	91
Net increase (decrease) in cash and equivalents	(554)	(146)
Cash and equivalents, beginning of period	4,249	3,808
CASH AND EQUIVALENTS, END OF PERIOD	3,695	3,662
Supplemental disclosure of cash flow information:
Non-cash additions to property, plant and equipment	171	190
Dividends declared and not paid	$ 347	$ 324

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.