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Stock Plans (Tables)
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12 Months Ended |
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May 29, 2011
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| Stock Plans (Tables) |
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| 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% |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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