Annual report pursuant to Section 13 and 15(d)

Valuation And Qualifying Accounts (Details)

v2.4.0.6
Valuation And Qualifying Accounts (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 26, 2009
Valuation And Qualifying Accounts [Abstract]      
Balance Beginning of Period $ 4 $ 7 $ 8
Additions Charged (Reductions Credited) To Operations (1)    
Deductions (1) [1] (3) [1] (1) [1]
Balance End of Period $ 2 $ 4 $ 7
[1] Accounts written off