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Business Segment Financial Information (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 25, 2011
Dec. 26, 2010
Dec. 27, 2009
Segment Reporting Information [Line Items]      
Asset impairment and other charges, pre-tax amount $ 58 $ 60 $ 170
Publishing
      
Segment Reporting Information [Line Items]      
Asset impairment and other charges, pre-tax amount 27 36 99
Digital
      
Segment Reporting Information [Line Items]      
Asset impairment and other charges, pre-tax amount   13 25
Broadcasting
      
Segment Reporting Information [Line Items]      
Asset impairment and other charges, pre-tax amount   $ 8 $ 9