Annual report pursuant to Section 13 and 15(d)

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

v3.3.1.900
Stock-Based Incentive Compensation Plans (Details) (Restricted Stock Units Activities) - $ / shares
shares in Millions
12 Months Ended
Dec. 26, 2015
Dec. 27, 2014
Dec. 28, 2013
Restricted Stock Units      
Number of Restricted Stock Units [Roll Forward]      
Restricted stock units, shares nonvested at beginning of period 43.0 40.0 25.0
Restricted stock units, shares granted 38.0 23.0 28.0
Restricted stock units, shares forfeited (15.0) (5.0) (3.0)
Restricted stock units, shares vested (15.0) (15.0) (10.0)
Restricted stock units, shares nonvested at end of period 51.0 43.0 40.0
Weighted Average Grant Date Fair Value [Roll Forward]      
Restricted stock units, shares nonvested at beginning of period, weighted average grant date fair value $ 4.05 $ 4.52 $ 6.41
Restricted stock units, shares granted, weighted average grant date fair value 2.03 3.89 3.81
Restricted stock units, shares forfeited, weighted average grant date fair value 3.71 4.48 5.76
Restricted stock units, shares vested, weighted average grant date fair value 4.13 4.90 6.93
Restricted stock units, shares nonvested at end of period, weighted average grant date fair value $ 2.61 $ 4.05 $ 4.52
Performance-based Restricted Stock Units      
Number of Restricted Stock Units [Roll Forward]      
Restricted stock units, shares nonvested at beginning of period 9.0 5.0 2.0
Restricted stock units, shares granted 5.2 5.2 3.0
Restricted stock units, shares forfeited (7.0) (1.0) 0.0
Restricted stock units, shares vested 0.0 0.0 0.0
Restricted stock units, shares nonvested at end of period 7.0 9.0 5.0
Market-based Restricted Stock Units      
Number of Restricted Stock Units [Roll Forward]      
Restricted stock units, shares granted 3.9 4.1