Provision for Income Taxes from Continuing Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Current Federal	$ 3	$ 2	$ 3
Current State	2	4	1
Current Foreign	10	9	10
Current Income Tax Expense (Benefit), Total	15	15	14
Deferred Federal	(1)	4	11
Deferred State	(1)	1	1
Deferred Foreign	1	1	5
Deferred income taxes	(1)	6	17
Income tax provision – continuing operations	$ 14	$ 21	$ 31