Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		3 Months Ended									3 Months Ended
	Mar. 30, 2013	Dec. 31, 2012	Mar. 30, 2013 Subsidiary Issuer	Mar. 30, 2013 Subsidiary Issuer Senior Notes One Point Three Five Zero Percent Due Twenty Fifteen	Mar. 30, 2013 Subsidiary Issuer Notes One Point Eight Seven Five Percent Due Twenty Seventeen	Mar. 30, 2013 Subsidiary Issuer Senior Notes Two Point Six Five Zero Percent Due Twenty Nineteen	Mar. 30, 2013 Subsidiary Issuer Senior Notes, 5.00 Percent Due 2021	Mar. 30, 2013 Subsidiary Issuer Senior Notes Three Point One Five Zero Percent Due Twenty Twenty Two	Mar. 30, 2013 Credit Facility	Sep. 29, 2012 Credit Facility	Mar. 30, 2013 Other Credit Facilities	Mar. 30, 2013 Maximum	Mar. 30, 2013 Minimum
Debt Instrument [Line Items]
Debt, interest rate				1.35%	1.875%	2.65%	5.00%	3.15%
Debt, maturity year				2015	2017	2019	2021	2022
Ownership percentage			100.00%
Credit facility maximum borrowing capacity										$ 1,450	$ 88
Commercial paper outstanding	527	425
Remaining availability under Credit Facility									886
Costs and expenses incurred in connection with acquisition excluded from computation of Net Income figure used in our debt covenant calculation												40
Debt agreement financial covenant, leverage ratio												3.00	3.50
Compliance with debt agreement financial covenants	We were in compliance with all financial covenants in our debt agreements.
Line of credit facility, amount outstanding											3
Future minimum lease payments	24
Imputed interest	2
Capital lease obligation cost	39	36
Accumulated amortization related to assets under capital lease	$ 6	$ 6