Annual report pursuant to Section 13 and 15(d)

Stock-Based Incentive Compensation Plans (Details) (Nonvested Restricted Stock Units Activities)

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Stock-Based Incentive Compensation Plans (Details) (Nonvested Restricted Stock Units Activities) (Restricted Stock and Restricted Stock Units, USD $)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Restricted Stock and Restricted Stock Units
     
Number of Restricted Stock and Restricted Stock Units [Roll Forward]      
Nonvested balance at beginning of period 24,000,000 24,000,000 22,000,000
Number of awards, granted 17,000,000 14,000,000 12,000,000
Number of awards, forfeited (5,000,000) (4,000,000) (2,000,000)
Number of awards, vested (11,000,000) (10,000,000) (8,000,000)
Nonvested balance at end of period 25,000,000 24,000,000 24,000,000
Weighted Average Grant Date Fair Value [Roll Forward]      
Weighted average grant date fair value, nonvested at beginning of period $ 7.07 $ 6.50 $ 5.32
Weighted average grant date fair value, granted $ 5.43 $ 7.34 $ 8.54
Weighted average grant date fair value, forfeited $ 6.84 $ 6.66 $ 6.13
Weighted average grant date fair value, vested $ 6.05 $ 6.25 $ 6.41
Weighted average grant date fair value, nonvested at end of period $ 6.41 $ 7.07 $ 6.50