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Special Charges (Details 1) (USD $)
In Millions
3 Months Ended9 Months Ended
Oct. 02, 2010
Oct. 01, 2011
Restructuring reserve  
Restructuring Reserve, Beginning Balance $ 62
Cash paid (41)
Restructuring Reserve, Ending Balance 21
Special Charges (Textual) [Abstract]  
Non cash charges within special charges91 
Non cash charge after tax74 
Severance Costs [Member]
  
Restructuring reserve  
Restructuring Reserve, Beginning Balance 57
Cash paid (40)
Restructuring Reserve, Ending Balance 17
Contract Terminations [Member]
  
Restructuring reserve  
Restructuring Reserve, Beginning Balance 5
Cash paid (1)
Restructuring Reserve, Ending Balance $ 4