Stock Plans (Tables)

12 Months Ended

May 29, 2011

Stock Plans (Tables)

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Text Block]

	Fiscal Year
	2011	2010	2009
Estimated fair values of stock options granted	$ 4.12	$ 3.20	$ 4.70
Assumptions:
Risk-free interest rate	2.9%	3.7%	4.4%
Expected term	8.5years	8.5years	8.5years
Expected volatility	18.5%	18.9%	16.1%
Dividend yield	3.0%	3.4%	2.7%

Disclosure Of Share Based Compensation Arrangements Stock Options [Text Block]

	Options Exercisable (Thousands)		Weighted-Average Exercise Price Per Share	Options Outstanding (Thousands)		Weighted-Average Exercise Price Per Share
Balance as of May 25, 2008	76,389.2	$	21.23	106,042.4	$	22.68
Granted				6,495.4		31.74
Exercised				(17,548.4)		19.60
Forfeited or expired				(382.4)		27.50
Balance as of May 31, 2009	67,619.2		21.96	94,607.0		23.84
Granted				6,779.4		27.99
Exercised				(20,013.6)		19.87
Forfeited or expired				(268.2)		24.82
Balance as of May 30, 2010	47,726.6		22.89	81,104.6		25.17
Granted				5,234.3		37.38
Exercised				(18,665.4)		22.59
Forfeited or expired				(126.2)		31.26
Balance as of May 29, 2011	39,221.7	$	23.78	67,547.3	$	26.82

Share Based Compensation Arrangement By Share Based Payment Award Options Additional Disclosures [Text Block]

		Fiscal Year
In Millions		2011		2010		2009
Net cash proceeds	$	410.4	$	388.5	$	305.9
Intrinsic value of options exercised	$	275.6	$	271.8	$	226.7

Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [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	Cash-Settled Share-Based Units (Thousands)		Weighted-Average Grant-Date Fair Value
Non-vested as of May 30, 2010	10,209.8	$	28.49	424.3	$	28.64	3,703.7	$	29.65
Granted	2,406.7		35.47	127.7		37.40	1,217.2		37.40
Vested	(3,161.0)		26.46	(78.1)		29.02	(245.2)		31.33
Forfeited or expired	(285.6)		31.61	(36.7)		30.04	(160.6)		31.36
Non-vested as of May 29, 2011	9,169.9	$	30.92	437.2	$	31.01	4,515.1	$	31.58

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Additional Disclosures [Text Block]

		Fiscal Year
		2011		2010		2009
Number of units granted (thousands)		3,751.6		4,745.7		4,348.0
Weighted average price per unit	$	36.16	$	28.03	$	31.70