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Derivative Instruments and Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 27, 2015
Jun. 28, 2014
Jun. 27, 2015
Jun. 28, 2014
Dec. 27, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges $ 4 $ 22 $ 9 $ 72  
Capitalized computer software impairments       13  
Website          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges   12      
Abandonment of Software Implementation Project          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges       28  
Retail Stores          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges 4 10 9 $ 19  
Retail Stores | Favorable Leases          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges     $ 1    
Retail Stores | Significant Unobservable Inputs (Level 3)          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Percentage used for analysis     13.00%    
Increased payroll costs percentage     6.00%    
Increase in impairment charges due to increase in payroll costs     $ 6    
Retail Stores | Significant Unobservable Inputs (Level 3) | Additional impairment charges          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges     $ 1    
Retail Stores | Significant Unobservable Inputs (Level 3) | Decrease in Sales Scenario          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Decrease in sales for scenario     1.00%    
Retail Stores | Significant Unobservable Inputs (Level 3) | Decrease in Gross Margin Scenario          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Decrease in sales for scenario     0.50%    
Retail Stores | Significant Unobservable Inputs (Level 3) | Decrease in Sales Scenario Two          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Decrease in sales for scenario     1.00%    
Retail Stores | Significant Unobservable Inputs (Level 3) | Decrease in Sales Scenario Two | Additional impairment charges          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges     $ 2    
Retail Stores | Discounted Cash Flow Analysis | Significant Unobservable Inputs (Level 3)          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Property and equipment, fair value 2   2    
Retail Stores | Stores Reduced to Estimated Salvage Value | Significant Unobservable Inputs (Level 3)          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Property and equipment, salvage value 2   $ 2    
Canada | Retail Stores          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Asset impairment charges   $ 1      
Foreign Exchange Contracts          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Contracts expiration date     2016-01    
Fuel Contracts          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Contracts expiration date     2016-01    
Derivative Fuel Contracts Payable          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Accrued expenses and other liabilities $ 4   $ 4   $ 6