Derivative Instruments and Hedging Activities - Fair Value of Derivative Instruments Presented on Gross Basis (Detail) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Derivative [Line Items]
Current liabilities	$ 7	$ 8
Current assets	2	2
Notional Amount
Exchange Contracts [Member]
Derivative [Line Items]
Current liabilities
Assets, Contracts
Current assets	1
Current liabilities
Notional Amount	95	172
Exchange Contracts [Member] | Current assets [Member]
Derivative [Line Items]
Current liabilities
Notional Amount
Exchange Contracts [Member] | Current liabilities [Member]
Derivative [Line Items]
Current liabilities	2	5
Notional Amount
Forward Contracts [Member]
Derivative [Line Items]
Current liabilities
Assets, Contracts
Current assets	1	1
Current liabilities
Notional Amount	65	76
Forward Contracts [Member] | Current assets [Member]
Derivative [Line Items]
Current liabilities		1
Notional Amount
Forward Contracts [Member] | Current liabilities [Member]
Derivative [Line Items]
Current liabilities	1
Notional Amount
Metals Contracts [Member]
Derivative [Line Items]
Current liabilities
Assets, Contracts
Current liabilities		1
Notional Amount	35	35
Metals Contracts [Member] | Current liabilities [Member]
Derivative [Line Items]
Current liabilities	4	2
Notional Amount