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Fair Value Measurements Fair Value Measurement (Narrative) (Details) (Fair Value, Measurements, Nonrecurring [Member], Non-core Assets in China [Member], Level 3 [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 30, 2013
Mar. 30, 2013
Fair Value, Measurements, Nonrecurring [Member] | Non-core Assets in China [Member] | Level 3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impairment Charge $ 56 $ 56