Financing Transactions (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified					9 Months Ended		9 Months Ended
	Sep. 28, 2012	May 31, 2012	Dec. 31, 2011	Sep. 28, 2012 Euro Commercial Paper Program	Sep. 28, 2012 Liquid Yield Option Notes (LYONs)	Sep. 28, 2012 Unsecured Revolving Credit Facility	Sep. 28, 2012 U.S Commercial Paper
Debt Instrument [Line Items]
Shares issued under debt conversion (shares)					3.3
Common stock, par value (dollars per share)	$ 0.01	$ 0.01	$ 0.01
Deferred tax liability, basis difference in LYONs					$ 28,000,000
Weighted average interest rate of short-term debt (interest rate)							0.20%
Weighted average maturity of commercial paper, days							20 years
Borrowings outstanding under credit facility				0		0
Line of credit							$ 2,500,000,000