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Intangible Assets And Goodwill (Intangible Assets) (Details) (USD $)
In Millions, unless otherwise specified
Mar. 30, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 1,246 $ 1,251
Accumulated Amortization 1,148 1,142
Completed technology [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 656 657
Accumulated Amortization 634 632
Patents [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 276 276
Accumulated Amortization 276 276
Customer-related [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 197 201
Accumulated Amortization 129 125
Licensed technology [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 23 23
Accumulated Amortization 19 19
Other Intangibles [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 94 94
Accumulated Amortization $ 90 $ 90