Risk Management (Schedule Of Largest Notional Amounts Of The Positions To Buy Or Sell Foreign Currency) (Details) (USD $)	Jun. 28, 2014	Dec. 31, 2013
Foreign Currency Contracts
Notional amount of foreign currency derivatives	$ 867,000,000	$ 837,000,000
British Pound
Foreign Currency Contracts
Notional amount of foreign currency derivatives	243,000,000	257,000,000
Chinese Renminbi
Foreign Currency Contracts
Notional amount of foreign currency derivatives	(184,000,000)	(181,000,000)
Euro
Foreign Currency Contracts
Notional amount of foreign currency derivatives	146,000,000	(132,000,000)
Norwegian Krone
Foreign Currency Contracts
Notional amount of foreign currency derivatives	(120,000,000)	(95,000,000)
Brazilian Real
Foreign Currency Contracts
Notional amount of foreign currency derivatives	$ (54,000,000)	$ (44,000,000)