Quarterly report pursuant to Section 13 or 15(d)

Borrowings, Short-term Debt (Details)

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Borrowings, Short-term Debt (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 27, 2015
Dec. 27, 2014
Short-term Debt [Line Items]    
Drafts payable $ 23 $ 16
Commercial paper 0 500
Current portion of long-term debt 1,095 1,088
Short-term debt 1,118 1,604
Temporary equity 905 $ 912
2009 Junior subordinated convertible debentures due 2039 At 3.25% [Member]    
Short-term Debt [Line Items]    
Current portion of long-term debt $ 1,100  
Company Stock As Percentage Of Conversion Price, Surrender For Conversion 130.00%  
Trading Days During Thirty Day Period In Which Company Stock Has Been At Least 130% Of Conversion Price, Surrender For Conversion 20 days  
Trading Day Period Ending On Last Day Of Preceeding Fiscal Quarter, Surrender for Conversion 30 days