Derivatives and Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Dec. 31, 2012	Apr. 30, 2011 Interest Rate Swap	Mar. 30, 2013 Interest Rate Swap	Dec. 31, 2012 Interest Rate Swap
Derivative [Line Items]
Location of the swap on the consolidated balance sheets	Derivative gains and losses included in AOCI
Incremental expense resulting from interest rate swaps		$ 2
Notional amount of interest rate swap contracts				400
Average swap interest rate				3.65%
Cost of expiration (termination)				11
Derivative instrument contractual life				10 years
Unrealized net loss					9	9
Outstanding foreign currency derivative contract	$ 175		$ 164