CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2019	Nov. 30, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 2,311	$ 2,333	$ 4,448	$ 4,598
Other comprehensive loss, net of tax:
Net foreign currency translation losses	(84)	(97)	(92)	(158)
Net unrealized gains on defined benefit plans	7	7	11	13
Net unrealized gains (losses) on marketable securities	3	(117)	88	(113)
Net unrealized gains (losses) on cash flow hedges	8	8	(16)	(18)
Total other comprehensive loss, net	(66)	(199)	(9)	(276)
Comprehensive income	$ 2,245	$ 2,134	$ 4,439	$ 4,322

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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