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Employee Equity Incentive Plans (Tables) | 6 Months Ended
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Jun. 29, 2013
Employee Equity Incentive Plans (Tables) [Abstract] |
Restricted Stock Units Estimated Values And Weighted Average Assumptions [Table Text Block] | We estimate the fair value of restricted stock unit awards with time-based vesting using the value of our common stock on the date of grant, reduced by the present value of dividends expected to be paid on our common stock prior to vesting. We estimate the fair value of market-based restricted stock units using a Monte Carlo simulation model on the date of grant. We based the weighted average estimated values of restricted stock unit grants, as well as the weighted average assumptions that we used in calculating the fair value, on estimates at the date of grant, as follows:
|  | Three Months Ended |  | Six Months Ended
|  | Jun 29, 2013 |  | Jun 30, 2012 |  | Jun 29, 2013 |  | Jun 30, 2012
Estimated values |  | $ | 21.43 |  |  | $ | 25.25 |  |  | $ | 21.44 |  |  | $ | 25.46 |
Risk-free interest rate |  | 0.2 | % |  | 0.3 | % |  | 0.2 | % |  | 0.3 | %
Dividend yield |  | 3.8 | % |  | 3.3 | % |  | 3.8 | % |  | 3.3 | %
Volatility |  | 23 | % |  | n/a |  |  | 25 | % |  | 25 | %
Stock Options And Stock Purchase Plan Estimated Values And Weighted Average Assumptions [Table Text Block] | We use the Black-Scholes option pricing model to estimate the fair value of options granted under our equity incentive plans and rights to acquire stock granted under our stock purchase plan. We based the weighted average estimated values of employee stock option grants and rights granted under the stock purchase plan, as well as the weighted average assumptions used in calculating these values, on estimates at the date of grant, as follows:
|  | Stock Options |  | Stock Purchase Plan
|  | Three Months Ended |  | Six Months Ended |  | Six Months Ended
|  | Jun 29, 2013 |  | Jun 30, 2012 |  | Jun 29, 2013 |  | Jun 30, 2012 |  | Jun 29, 2013 |  | Jun 30, 2012
Estimated values |  | $ | 3.23 |  |  | $ | 4.23 |  |  | $ | 3.11 |  |  | $ | 4.27 |  |  | $ | 4.26 |  |  | $ | 5.53 |
Expected life (in years) |  | 5.2 |  |  | 5.2 |  |  | 5.2 |  |  | 5.3 |  |  | 0.5 |  |  | 0.5 |
Risk-free interest rate |  | 0.8 | % |  | 1.0 | % |  | 0.8 | % |  | 1.0 | % |  | 0.1 | % |  | 0.1 | %
Volatility |  | 25 | % |  | 25 | % |  | 25 | % |  | 25 | % |  | 22 | % |  | 24 | %
Dividend yield |  | 3.8 | % |  | 3.3 | % |  | 3.9 | % |  | 3.2 | % |  | 4.3 | % |  | 3.2 | %
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] | Activity with respect to outstanding restricted stock units (RSUs) in the first six months of 2013 was as follows:
|  | Number of RSUs (In Millions) |  | Weighted Average Grant-Date Fair Value (Per RSU)
December 29, 2012 |  | 109.3 |  |  | $ | 22.03 |
Granted |  | 50.1 |  |  | $ | 21.44 |
Vested |  | (41.4 | ) |  | $ | 20.25 |
Forfeited |  | (2.6 | ) |  | $ | 22.08 |
June 29, 2013 |  | 115.4 |  |  | $ | 22.41 |
Schedule of Stock Options Roll Forward [Table Text Block] | Activity with respect to outstanding stock options in the first six months of 2013 was as follows:
|  | Number of Options (In Millions) |  | Weighted Average Exercise Price (Per Option)
December 29, 2012 |  | 202.8 |  |  | $ | 20.20 |
Granted |  | 18.5 |  |  | $ | 22.93 |
Exercised |  | (45.0 | ) |  | $ | 18.70 |
Cancelled and forfeited |  | (1.3 | ) |  | $ | 22.61 |
Expired |  | (1.4 | ) |  | $ | 21.06 |
June 29, 2013 |  | 173.6 |  |  | $ | 20.85 |
Options exercisable as of: |  |  |  |
December 29, 2012 |  | 139.8 |  |  | $ | 19.76 |
June 29, 2013 |  | 112.2 |  |  | $ | 20.27 |

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- Definition Restricted Stock Units Estimated Values And Weighted Average Assumptions [Table Text Block] + References No definition available. + Details
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- Definition Stock Options And Stock Purchase Plan Estimated Values And Weighted Average Assumptions [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the change in stock options. + References No definition available. + Details
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