CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Cash flows from operating activities:
Net income	$ 3,528	$ 9,714
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,409	1,127
Amortization of intangible assets	882	1,037
Deferred income taxes	(983)	(2,475)
Stock-based compensation	1,900	1,395
Other, net	82	227
Changes in operating assets and liabilities, net of effects from acquisitions:
Decrease in trade receivables, net	652	1,089
Decrease in prepaid expenses and other assets	71	609
Decrease in accounts payable and other liabilities	(683)	(247)
Decrease in income taxes payable	(661)	(1,181)
Decrease in deferred revenues	(643)	(250)
Net cash provided by operating activities	5,554	11,045
Cash flows from investing activities:
Purchases of marketable securities and other investments	(10,134)	(26,775)
Proceeds from sales and maturities of marketable securities and other investments	25,735	19,035
Acquisitions, net of cash acquired	(132)	(29)
Capital expenditures	(3,088)	(1,418)
Net cash provided by (used for) investing activities	12,381	(9,187)
Cash flows from financing activities:
Payments for repurchases of common stock	(15,654)	(12,958)
Proceeds from issuances of common stock	357	915
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(1,011)	(597)
Payments of dividends to stockholders	(2,603)	(2,146)
Repayments of borrowings	(5,750)	(2,631)
Other, net	(439)	241
Net cash used for financing activities	(25,100)	(17,176)
Effect of exchange rate changes on cash and cash equivalents	(251)	400
Net decrease in cash and cash equivalents	(7,416)	(14,918)
Cash and cash equivalents at beginning of period	30,098	37,239
Cash and cash equivalents at end of period	22,682	22,321
Non-cash financing activities:
Change in unsettled repurchases of common stock	$ (54)	$ 42