Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2022	Nov. 30, 2021	Nov. 30, 2022	Nov. 30, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 788	$ 1,044	$ 1,663	$ 2,156
OTHER COMPREHENSIVE INCOME (LOSS):
Foreign currency translation adjustments, net of tax benefit of $9 and $27 in 2022 and $4 and $4 in 2021	(70)	(94)	(279)	(241)
Amortization of prior service credit, net of tax benefit of $1 and $1 in 2022 and $1 and $1 in 2021	(1)	(2)	(3)	(4)
Other comprehensive income (loss)	(71)	(96)	(282)	(245)
COMPREHENSIVE INCOME	$ 717	$ 948	$ 1,381	$ 1,911