Retirement and Postemployment Benefits (Tables)

6 Months Ended

Nov. 27, 2016

Retirement and Postemployment Benefits [Abstract]

Schedule of components of net periodic benefit expense [Table Text Block]

		Defined Benefit Pension Plans				Other Postretirement Benefit Plans				Postemployment Benefit Plans
		Quarter Ended				Quarter Ended				Quarter Ended
In Millions		Nov. 27, 2016		Nov. 29, 2015		Nov. 27, 2016		Nov. 29, 2015		Nov. 27, 2016		Nov. 29, 2015
Service cost	$	30.0	$	33.7	$	3.1	$	4.7	$	2.2	$	1.9
Interest cost		54.1		67.0		7.9		11.0		0.7		1.0
Expected return on plan assets		(121.7)		(124.3)		(12.1)		(11.5)		-		-
Amortization of losses		47.6		47.3		0.7		1.6		0.5		0.2
Amortization of prior service costs (credits)		0.6		1.2		(1.3)		(1.3)		0.1		0.6
Other adjustments		2.1		5.0		1.3		2.4		3.4		3.3
Settlement or curtailment losses		2.9		11.3		0.7		0.2		-		-
Net expense	$	15.6	$	41.2	$	0.3	$	7.1	$	6.9	$	7.0
		Defined Benefit Pension Plans				Other Postretirement Benefit Plans				Postemployment Benefit Plans
		Six-MonthPeriod Ended				Six-MonthPeriod Ended				Six-MonthPeriod Ended
In Millions		Nov. 27, 2016		Nov. 29, 2015		Nov. 27, 2016		Nov. 29, 2015		Nov. 27, 2016		Nov. 29, 2015
Service cost	$	60.0	$	67.4	$	6.2	$	9.5	$	4.4	$	3.8
Interest cost		108.3		134.0		16.0		22.0		1.4		2.0
Expected return on plan assets		(243.5)		(248.6)		(24.2)		(23.1)		-		-
Amortization of losses		95.0		94.7		1.3		3.3		0.9		0.4
Amortization of prior service costs (credits)		1.2		2.4		(2.6)		(2.7)		0.3		1.2
Other adjustments		2.1		5.0		1.3		2.4		6.8		6.5
Settlement or curtailment losses		4.4		11.3		0.7		0.2		-		-
Net expense (income)	$	27.5	$	66.2	$	(1.3)	$	11.6	$	13.8	$	13.9