Retirement Plans (Tables)

3 Months Ended

Aug. 31, 2021

Retirement Plan Tables [Abstract]

Schedule of Retirement Plan Costs

Our retirement plans costs for the three-month periods ended August 31 were as follows (in millions):

	2021			2020
Defined benefit pension plans, net	$	(3	)	$	25
Defined contribution plans		180			159
Postretirement healthcare plans		22			21
	$	199		$	205

Schedule of Net Periodic Benefit Cost

Net periodic benefit cost of the pension and postretirement healthcare plans for the three-month periods ended August 31 included the following components (in millions):

	U.S. Pension Plans						International Pension Plans						Postretirement Healthcare Plans
	2021			2020			2021			2020			2021		2020
Service cost	$	208		$	213		$	15		$	23		$	12	$	11
Other retirement plans expense (income):
Interest cost		256			240			12			10			10		10
Expected return on plan assets		(478	)		(446	)		(14	)		(12	)		—		—
Amortization of prior service credit and other		(2	)		(2	)		—			(1	)		—		—
		(224	)		(208	)		(2	)		(3	)		10		10
	$	(16	)	$	5		$	13		$	20		$	22	$	21