Provision (Benefit) for Income Taxes for Continuing Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation Of Provision Of Income Taxes [Line Items]
Current Federal	$ 2	$ 3	$ 1
Current State	4	1	1
Current Foreign	9	10	8
Current Income Tax Expense (Benefit), Total	15	14	10
Deferred Federal	4	11	(11)
Deferred State	1	1	(2)
Deferred Foreign	1	5	2
Deferred income taxes	6	17	(11)
Income tax provision (benefit) – continuing operations	$ 21	$ 31	$ (1)