Fair Value (Detail) - USD ($) $ in Millions		Apr. 03, 2016	Dec. 31, 2015
Financial assets (liabilities)
Long-term debt, including current portion		$ (3,426)	$ (3,425)
Carrying Value
Financial assets (liabilities)
Available-for-sale securities	[1]	186	186
Derivatives	[1]	(485)	(673)
Long-term debt, including current portion	[1]	(3,426)	(3,425)
Fair Value
Financial assets (liabilities)
Available-for-sale securities	[1]	186	186
Derivatives	[1]	(485)	(673)
Long-term debt, including current portion	[1]	(3,475)	(3,381)
Fair Value, Inputs, Level 1
Financial assets (liabilities)
Available-for-sale securities	[1]	93	124
Derivatives	[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]	93	62
Derivatives	[1],[2]	(485)	(673)
Long-term debt, including current portion	[1],[2]	(3,475)	(3,381)
Fair Value, Inputs, Level 3
Financial assets (liabilities)
Available-for-sale securities		0	0
Derivatives		0	0
Long-term debt, including current portion		$ 0	$ 0

[1] We had no Level 3 financial instruments on April 3, 2016, or December 31, 2015.

[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.