Annual report pursuant to Section 13 and 15(d)

Discontinued Operations (Details)

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Discontinued Operations (Details) (USD $)
3 Months Ended 12 Months Ended
Sep. 28, 2014
Jun. 29, 2014
Mar. 30, 2014
Dec. 29, 2013
Sep. 28, 2014
Sep. 29, 2013
Sep. 30, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Proceeds from Divestiture of Businesses         $ 788,000,000 $ 0 $ 0
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax         665,000,000 0 0
Disposal Group, Including Discontinued Operation, Long Lived Assets           139,000,000  
Disposal Group, Including Discontinued Operation, Liabilities 0       0 43,000,000  
Proceeds from Sale of Other Assets         0 0 1,925,000,000
Gain (Loss) on Disposition of Other Assets         0 0 1,179,000,000
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax             1,200,000,000
Discontinued operations, net of tax 0 [1] 0 [1] 0 [1] 430,000,000 [1] 430,000,000 0 776,000,000
Omnitracs [Member]
             
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Decrease in total assets due to deconsolidation         150,000,000    
Decrease in total liabilities due to deconsolidation         $ 45,000,000    
[1] Amounts, other than per share amounts, are rounded to millions each quarter. Therefore, the sum of the quarterly amounts may not equal the annual amounts reported.