Retirement and Postemployment Benefits (Tables)

6 Months Ended

Nov. 29, 2015

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. 29, 2015		Nov. 23, 2014		Nov. 29, 2015		Nov. 23, 2014		Nov. 29, 2015		Nov. 23, 2014
Service cost	$	33.7	$	34.4	$	4.7	$	5.6	$	1.9	$	1.9
Interest cost		67.0		62.4		11.0		11.7		1.0		1.0
Expected return on plan assets		(124.3)		(119.2)		(11.5)		(10.1)		-		-
Amortization of losses		47.3		35.4		1.6		1.3		0.2		0.2
Amortization of prior service costs (credits)		1.2		1.8		(1.3)		(0.4)		0.6		0.6
Other adjustments		5.0		4.4		2.4		0.3		3.3		3.2
Settlement or curtailment losses		11.3		10.1		0.2		0.8		-		-
Net expense	$	41.2	$	29.3	$	7.1	$	9.2	$	7.0	$	6.9
		Defined Benefit Pension Plans				Other Postretirement Benefit Plans				Postemployment Benefit Plans
		Six-Month Period Ended				Six-Month Period Ended				Six-Month Period Ended
In Millions		Nov. 29, 2015		Nov. 23, 2014		Nov. 29, 2015		Nov. 23, 2014		Nov. 29, 2015		Nov. 23, 2014
Service cost	$	67.4	$	68.8	$	9.5	$	11.2	$	3.8	$	3.8
Interest cost		134.0		124.9		22.0		23.5		2.0		2.1
Expected return on plan assets		(248.6)		(238.5)		(23.1)		(20.1)		-		-
Amortization of losses		94.7		70.8		3.3		2.5		0.4		0.4
Amortization of prior service costs (credits)		2.4		3.7		(2.7)		(0.8)		1.2		1.2
Other adjustments		5.0		4.4		2.4		0.3		6.5		6.3
Settlement or curtailment losses		11.3		10.1		0.2		0.8		-		-
Net expense	$	66.2	$	44.2	$	11.6	$	17.4	$	13.9	$	13.8