Retirement Plans

9 Months Ended

Feb. 28, 2015

Retirement Plans [Abstract]

Retirement Plans

(5) Retirement Plans

We sponsor programs that provide retirement benefits to most of our employees. These programs include defined benefit pension plans, defined contribution plans and postretirement healthcare plans. Key terms of our retirement plans are provided in our Annual Report. Our retirement plans costs for theperiods ended February 28were as follows (in millions):

		Three Months Ended				Nine Months Ended
		2015		2014		2015		2014
U.S. domestic and international pension plans		$	66	$	124	$	199	$	366
U.S. domestic and international defined contribution
	plans		96		90		284		269
U.S. domestic and international postretirement
	healthcare plans		21		20		61		59
		$	183	$	234	$	544	$	694

Net periodic benefit cost of the pension and postretirement healthcare plans for the periods ended February 28included the following components (in millions):

		Three Months Ended				Nine Months Ended
Pension Plans		2015		2014		2015		2014
	Service cost	$	165	$	164	$	493	$	492
	Interest cost		274		264		824		790
	Expected return on plan assets		(420)		(374)		(1,260)		(1,121)
	Recognized actuarial losses and other		47		70		142		205
		$	66	$	124	$	199	$	366
		Three Months Ended				Nine Months Ended
Postretirement Healthcare Plans		2015		2014		2015		2014
	Service cost	$	10	$	10	$	30	$	29
	Interest cost		11		10		31		30
		$	21	$	20	$	61	$	59

Contributions to our tax qualified U.S. domestic pension plans (“U.S. Pension Plans”) for the nine months ended February 28were as follows:

	2015		2014
Required	$	380	$	480
Voluntary		115		15
	$	495	$	495

In March 2015, we made approximately $160 million in voluntary contributions to our U.S. Pension Plans. Our U.S. Pension Plans have ample funds to meet expected benefit payments.