Debt (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 29, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Commercial Paper	$ 0
Total debt	3,910	3,909
Debt, Current	501	1
Long-term debt	3,409	3,908
Fixed-Rate Notes Due January 2015
Debt Instrument [Line Items]
Total debt	500	500
Interest Rate	1.375%
Fixed-Rate Notes Due July 2016
Debt Instrument [Line Items]
Total debt	500	500
Interest Rate	2.25%
Fixed Rate Notes Due November 2017
Debt Instrument [Line Items]
Total debt	896	896
Interest Rate	1.00%
Fixed-Rate Notes Due July 2021
Debt Instrument [Line Items]
Total debt	499	499
Interest Rate	3.875%
Fixed Rate Notes Due November 2022
Debt Instrument [Line Items]
Total debt	992	991
Interest Rate	2.25%
Fixed Rate Notes Due November 2042
Debt Instrument [Line Items]
Total debt	498	498
Interest Rate	3.60%
Other Debt Securities
Debt Instrument [Line Items]
Total debt	$ 25	$ 25
Other	Various