Retirement and Postemployment Benefits (Tables)

9 Months Ended

Feb. 25, 2018

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		Feb. 25, 2018		Feb. 26, 2017		Feb. 25, 2018		Feb. 26, 2017		Feb. 25, 2018		Feb. 26, 2017
Service cost	$	25.7	$	29.9	$	2.9	$	3.2	$	2.1	$	2.2
Interest cost		54.5		54.1		7.6		8.2		0.6		0.7
Expected return on plan assets		(120.1)		(121.6)		(13.0)		(12.1)		-		-
Amortization of losses		44.6		47.2		0.2		0.6		0.2		0.4
Amortization of prior service costs (credits)		0.4		0.6		(1.3)		(1.5)		0.2		0.2
Other adjustments		-		-		-		-		0.4		3.4
Net expense (income)	$	5.1	$	10.2	$	(3.6)	$	(1.6)	$	3.5	$	6.9
		Defined Benefit Pension Plans				Other Postretirement Benefit Plans				Postemployment Benefit Plans
		Nine-MonthPeriod Ended				Nine-MonthPeriod Ended				Nine-MonthPeriod Ended
In Millions		Feb. 25, 2018		Feb. 26, 2017		Feb. 25, 2018		Feb. 26, 2017		Feb. 25, 2018		Feb. 26, 2017
Service cost	$	77.1	$	89.9	$	8.7	$	9.4	$	6.4	$	6.6
Interest cost		163.4		162.4		22.8		24.2		1.7		2.1
Expected return on plan assets		(360.1)		(365.1)		(39.1)		(36.3)		-		-
Amortization of losses		132.8		142.2		0.6		1.9		0.6		1.3
Amortization of prior service costs (credits)		1.4		1.8		(4.0)		(4.1)		0.5		0.5
Other adjustments		-		2.1		-		1.3		7.2		10.2
Settlement or curtailment losses		-		4.4		-		0.7		-		-
Net expense (income)	$	14.6	$	37.7	$	(11.0)	$	(2.9)	$	16.4	$	20.7