Stock Repurchase Programs - Additional Information (Detail) (USD $)	6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012 $600 Million Repurchase Program	Jun. 29, 2012 Rule 10b5-1 Program	Jun. 29, 2012 Rule 10b5-1 Program	Jun. 29, 2012 Other Stock Repurchases	Jun. 29, 2012 Other Stock Repurchases
Stockholders Equity Note [Line Items]
Authorization to repurchase outstanding common stock			$ 600,000,000
Repurchase of common stock - shares				4,000	8,000	300,000	800,000
Repurchase of outstanding common stock	3,000,000	4,800,000		16,000	31,000	1,200,000	3,000,000
Cumulative Repurchase of common stock - shares			56,600,000
Cumulative Repurchase of outstanding common stock			375,400,000
Stock available to be purchased under stock repurchase program			$ 224,600,000