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Summary of Facility Consolidation and Asset Impairment Charges (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 25, 2011
Dec. 26, 2010
Dec. 27, 2009
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount $ 58 $ 60 $ 170
Asset impairment and other charges, after-tax amount 36 [1] 43 [1] 119 [1]
Asset impairment and other charges, per share amount $ 0.15 [1] $ 0.18 [1] $ 0.50 [1]
Publishing
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 27 36 99
Digital
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   13 25
Broadcasting
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   8 9
Operations
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 27 57 133
Asset impairment and other charges, after-tax amount 18 [1] 41 [1] 88 [1]
Asset impairment and other charges, per share amount $ 0.07 [1] $ 0.17 [1] $ 0.37 [1]
Operations | Property Plant and Equipment
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 17 19 79
Asset impairment and other charges, after-tax amount 10 [1] 12 [1] 50 [1]
Asset impairment and other charges, per share amount $ 0.04 [1] $ 0.05 [1] $ 0.21 [1]
Operations | Property Plant and Equipment | Publishing
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 17 15 76
Asset impairment and other charges, after-tax amount 10 [1] 9 [1] 47 [1]
Asset impairment and other charges, per share amount $ 0.04 [1] $ 0.04 [1] $ 0.20 [1]
Operations | Property Plant and Equipment | Broadcasting
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   4 3
Asset impairment and other charges, after-tax amount   2 [1] 2 [1]
Asset impairment and other charges, per share amount   $ 0.01 [1] $ 0.01 [1]
Operations | Other Asset
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 10 8 12
Asset impairment and other charges, after-tax amount 7 [1] 5 [1] 7 [1]
Asset impairment and other charges, per share amount $ 0.03 [1] $ 0.02 [1] $ 0.03 [1]
Operations | Other Asset | Publishing
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 10 3 7
Asset impairment and other charges, after-tax amount 7 [1] 2 [1] 4 [1]
Asset impairment and other charges, per share amount $ 0.03 [1] $ 0.01 [1] $ 0.02 [1]
Operations | Other Asset | Broadcasting
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   5 5
Asset impairment and other charges, after-tax amount   3 [1] 3 [1]
Asset impairment and other charges, per share amount   $ 0.01 [1] $ 0.01 [1]
Operations | Goodwill
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   11 33
Asset impairment and other charges, after-tax amount   11 [1] 26 [1]
Asset impairment and other charges, per share amount   $ 0.04 [1] $ 0.11 [1]
Operations | Goodwill | Publishing
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount     17
Asset impairment and other charges, after-tax amount     10 [1]
Asset impairment and other charges, per share amount     $ 0.04 [1]
Operations | Goodwill | Digital
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   11 16
Asset impairment and other charges, after-tax amount   11 [1] 16 [1]
Asset impairment and other charges, per share amount   $ 0.04 [1] $ 0.07 [1]
Operations | Other Intangible Assets
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   19 9
Asset impairment and other charges, after-tax amount   13 [1] 5 [1]
Asset impairment and other charges, per share amount   $ 0.06 [1] $ 0.02 [1]
Operations | Other Intangible Assets | Publishing
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   17  
Asset impairment and other charges, after-tax amount   12 [1]  
Asset impairment and other charges, per share amount   $ 0.05 [1]  
Operations | Other Intangible Assets | Digital
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount   2 9
Asset impairment and other charges, after-tax amount   1 [1] 5 [1]
Asset impairment and other charges, per share amount     $ 0.02 [1]
Non-Operating Charges | Publishing
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount     28
Asset impairment and other charges, after-tax amount     24 [1]
Asset impairment and other charges, per share amount     $ 0.10 [1]
Non-Operating Charges | Equity Method Investments
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 16 3 9
Asset impairment and other charges, after-tax amount 10 [1] 2 [1] 7 [1]
Asset impairment and other charges, per share amount $ 0.04 [1] $ 0.01 [1] $ 0.03 [1]
Non-Operating Charges | Cost-method Investments
      
Unusual or Infrequent Item [Line Items]      
Asset impairment and other charges, pre-tax amount 15    
Asset impairment and other charges, after-tax amount $ 9 [1]    
Asset impairment and other charges, per share amount $ 0.04 [1]    
[1] Total amounts may not sum due to rounding.