Segment Information - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting [Abstract]
Number of segments			2
US
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 173	$ 175	$ 332	$ 333
Foreign Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 615	$ 583	$ 1,227	$ 1,153
Sales [Member] | Foreign Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Maximum percentage of total consolidated net sales attributed to any non-U.S. country			7.50%