Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 741	$ 900	$ 1,535	$ 1,978
OTHER COMPREHENSIVE INCOME (LOSS):
Foreign currency translation adjustments, net of tax benefit/(expense) of $2 and ($2) in 2024 and ($3) and $1 in 2023	(181)	28	(152)
Prior service credit arising during period, net of tax (expense) of ($11) and ($11) in 2023		36		36
Amortization of prior service credit, net of tax benefit of $0 and $1 in 2024 and $0 and $0 in 2023	(2)	(2)	(4)	(3)
Other comprehensive income (loss)	(183)	62	(156)	33
COMPREHENSIVE INCOME	$ 558	$ 962	$ 1,379	$ 2,011