Summary of Operating Loss Carryforwards (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
Deferred Tax Asset	$ 654	$ 654	$ 788
Valuation Allowance	(446)	(446)
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	432	432
Valuation Allowance	(261)	(261)
Operating Loss Carryforward Period In Years	20 years
Earliest Year of Expiration		Dec. 31, 2028
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	122	122
Valuation Allowance	(114)	(114)
Carryforward Period	Various
Earliest Year of Expiration		Dec. 31, 2015
BRAZIL
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	26	26
Valuation Allowance	(14)	(14)
Carryforward Period	Unlimited
FRANCE
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	13	13
Valuation Allowance
Carryforward Period	Unlimited
AUSTRALIA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	33	33
Valuation Allowance	(33)	(33)
Carryforward Period	Unlimited
UNITED KINGDOM
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	8	8
Valuation Allowance	(4)	(4)
Carryforward Period	Unlimited
ARGENTINA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	17	17
Valuation Allowance	(17)	(17)
Operating Loss Carryforward Period In Years	5 years
Earliest Year of Expiration		Dec. 31, 2015
Other Countries [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	3	3
Valuation Allowance	$ (3)	$ (3)
Carryforward Period	Unlimited