Annual report pursuant to Section 13 and 15(d)

Deconsolidation of and Retained Investment in the BWA Subsidiaries Deconsolidation of and Retained Investment in the BWA Subsidiaries (Details)

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Deconsolidation of and Retained Investment in the BWA Subsidiaries Deconsolidation of and Retained Investment in the BWA Subsidiaries (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 24, 2012
Sep. 28, 2014
Sep. 29, 2013
Sep. 30, 2012
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]          
Deconsolidation gain in investment income     $ 6 $ 12 $ 0
Proceeds from Noncontrolling Interests 11 85      
Investment Owned, at Fair Value       34  
BWA Subsidiaries [Member]
         
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent 49.00% 51.00%   7.00%  
Deconsolidation gain in investment income       6  
Decrease in total assets due to deconsolidation       1,000  
Decrease in total liabilities due to deconsolidation       $ 999