Derivative Instruments and Hedging Activities (Details 2) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Recurring | Level 2
Derivative instruments and hedging activities
Assets	$ 2
Liabilities	4	5
Foreign currency exchange contracts
Derivative instruments and hedging activities
Notional Amount	96	53
Foreign currency exchange contracts | Current liabilities | Recurring | Level 2
Derivative instruments and hedging activities
Liabilities	2	2
Foreign currency forward contracts
Derivative instruments and hedging activities
Notional Amount	50	88
Foreign currency forward contracts | Current liabilities | Recurring | Level 2
Derivative instruments and hedging activities
Liabilities	1	1
Metal Contracts
Derivative instruments and hedging activities
Notional Amount	56	48
Metal Contracts | Current liabilities | Recurring | Level 2
Derivative instruments and hedging activities
Liabilities	1	2
Metal Contracts | Current assets | Recurring | Level 2
Derivative instruments and hedging activities
Assets	$ 2