Risk Management (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Mar. 29, 2014	Dec. 31, 2013 position	Dec. 31, 2012 position
Derivative [Line Items]
Long-term debt	$ 2,462	$ 2,457
Notional amount of foreign currency derivatives	703	837
Number of net notional positions to buy or sell foreign currency disclosed (in number of positions)		5	5
Fair value of derivative liabilities		5
Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Fair value of derivative liabilities	5	4
Not Designated As Hedging Instruments [Member] | Interest Rate Contracts [Member] | Other Liabilities [Member]
Derivative [Line Items]
Fair value of derivative liabilities	3	3
Credit Concentration Risk [Member]
Derivative [Line Items]
Notional amount of foreign currency derivatives	$ 1