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Fair Value (Detail) - USD ($)
$ in Millions
Apr. 02, 2017
Dec. 31, 2016
Financial assets (liabilities)    
Long-term debt, including current portion $ (3,925) $ (3,924)
Carrying Value    
Financial assets (liabilities)    
Available-for-sale securities [1] 178 177
Cash flow hedges [1] (468) (477)
Long-term debt, including current portion [1] (3,925) (3,924)
Fair Value    
Financial assets (liabilities)    
Available-for-sale securities [1] 178 177
Cash flow hedges [1] (468) (477)
Long-term debt, including current portion [1] (3,850) (3,849)
Fair Value, Inputs, Level 1    
Financial assets (liabilities)    
Available-for-sale securities [1] 56 59
Cash flow hedges [1] 0 0
Long-term debt, including current portion [1] 0 0
Fair Value, Inputs, Level 2    
Financial assets (liabilities)    
Available-for-sale securities [1],[2] 122 118
Cash flow hedges [1],[2] (468) (477)
Long-term debt, including current portion [1],[2] (3,850) (3,849)
Fair Value, Inputs, Level 3    
Financial assets (liabilities)    
Available-for-sale securities 0 0
Cash flow hedges 0 0
Long-term debt, including current portion $ 0 $ 0
[1] We had no Level 3 financial instruments on April 2, 2017, or December 31, 2016.
[2] Determined under a market approach using valuation models that incorporate observable inputs such as interest rates, bond yields and quoted prices for similar assets and liabilities.