Fair Value Measurements - Company's Assets and Liabilities at Fair Value on Recurring Basis (Detail) (USD $) In Millions, unless otherwise specified	Jun. 28, 2013	Dec. 31, 2012
Level 1 [Member]
Assets
Cash equivalents	$ 169	$ 284
Derivatives (foreign currency forward contracts)
Total Assets	169	284
Liabilities
Derivatives (foreign currency forward contracts)
Level 2 [Member]
Assets
Cash equivalents
Derivatives (foreign currency forward contracts)	6	8
Total Assets	6	8
Liabilities
Derivatives (foreign currency forward contracts)	6	3
Level 3 [Member]
Assets
Cash equivalents
Derivatives (foreign currency forward contracts)
Total Assets
Liabilities
Derivatives (foreign currency forward contracts)