Stock Plans (Tables)

9 Months Ended

Feb. 24, 2019

Stock Plans [Abstract]

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

		Quarter Ended				Nine-MonthPeriod Ended
In Millions		Feb. 24, 2019		Feb. 25, 2018		Feb. 24, 2019		Feb. 25, 2018
Compensation expense related to stock-based payments	$	21.4	$	14.5	$	66.0	$	63.4

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

		Nine-Month Period Ended
In Millions		Feb. 24, 2019		Feb. 25, 2018
Net cash proceeds	$	140.7	$	91.4
Intrinsic value of options exercised	$	66.5	$	79.9

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. 24, 2019		Feb. 25, 2018
Estimated fair values of stock options granted	$5.35		$6.18
Assumptions:
Risk-free interest rate	2.9	%	2.2	%
Expected term	8.5 years		8.2 years
Expected volatility	16.3	%	15.8	%
Dividend yield	4.3	%	3.6	%

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 27, 2018	28,963.8	$	42.90
Granted	3,149.8		46.09
Exercised	(4,751.9)		30.53
Forfeited or expired	(447.0)		53.60
Outstanding as of Feb. 24, 2019	26,914.7	$	45.28	4.60	$	139.6
Exercisable as of Feb. 24, 2019	17,366.1	$	39.85	2.66	$	138.0

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 27, 2018	3,731.8	$	57.50	121.3	$	58.26
Granted	1,816.2		46.09	35.2		46.11
Vested	(797.3)		50.85	(34.2)		55.29
Forfeited	(355.9)		58.14	(11.8)		57.64
Non-vested as of Feb. 24, 2019	4,394.8	$	53.94	110.5	$	55.38

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

		Nine-Month Period Ended
In Millions		Feb. 24, 2019		Feb. 25, 2018
Total grant date fair value	$	42.4	$	89.7