Stock Plans (Tables)

9 Months Ended

Feb. 26, 2017

Stock Plans [Abstract]

Schedule of compensation expense related to stock-based payments [Table Text Block]

		Quarter Ended				Nine-MonthPeriod Ended
In Millions		Feb. 26, 2017		Feb. 28, 2016		Feb. 26, 2017		Feb. 28, 2016
Compensation expense related to stock-based payments	$	20.1	$	19.1	$	77.7	$	73.4

Schedule of net cash proceeds received from the exercise of stock options [Table Text Block]

		Nine-MonthPeriod Ended
In Millions		Feb. 26, 2017		Feb. 28, 2016
Net cash proceeds	$	90.5	$	103.0
Intrinsic value of options exercised	$	153.1	$	141.7

Schedule of estimated fair value of stock options granted and the assumptions used for the Black-Scholes option-pricing model [Table Text Block]

	Nine-Month Period Ended
	Feb. 26, 2017		Feb. 28, 2016
Estimated fair values of stock options granted	$8.80		$7.24
Assumptions:
Risk-free interest rate	1.7	%	2.4	%
Expected term	8.5 years		8.5 years
Expected volatility	17.8	%	17.6	%
Dividend yield	2.9	%	3.2	%

Schedule of information on stock option activity [Table Text Block]

	Options Outstanding (Thousands)		Weighted-Average Exercise Price Per Share	Weighted-Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value (Millions)
Balance as of May 29, 2016	32,401.6	$	37.09
Granted	2,446.0		66.52
Exercised	(3,980.2)		30.43
Forfeited or expired	(103.9)		57.44
Outstanding as of Feb. 26, 2017	30,763.5	$	40.22	4.37	$	662.9
Exercisable as of Feb. 26, 2017	21,816.9	$	33.75	2.96	$	602.6

Schedule of information on restricted stock and performance share unit activity [Table Text Block]

	Equity Classified			Liability Classified
	Share-Settled Units (Thousands)		Weighted-Average Grant-Date Fair Value	Share-Settled Units (Thousands)		Weighted-Average Grant-Date Fair Value
Non-vested as of May 29, 2016	5,100.4	$	48.60	211.4	$	48.37
Granted	1,387.9		67.08	49.1		66.92
Vested	(1,610.1)		41.75	(89.6)		38.77
Forfeited	(272.4)		57.25	(8.6)		57.18
Exercisable as of Feb. 26, 2017	4,605.8	$	56.07	162.3	$	55.99

The total grant date fair value of restricted stock unit awards that vested during the period follows:

	Nine-Month Period Ended
In Millions	Feb. 26, 2017	Feb. 28, 2016
Total grant date fair value	$71.2	$98.4