Income Taxes - Net Operating Loss Carryforwards (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Deferred Tax Asset	$ 448	$ 654
Valuation Allowance	(433)
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Domestic	256
Valuation Allowance	$ (256)
Net operating loss carryforward period In years	20 years
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, State and Local	$ 108
Valuation Allowance	$ (108)
Carryforward period	Various
BRAZIL
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 20
Valuation Allowance	$ (20)
Carryforward period	Unlimited
FRANCE
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 12
Valuation Allowance
Carryforward period	Unlimited
AUSTRALIA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 31
Valuation Allowance	$ (31)
Carryforward period	Unlimited
SOUTH AFRICA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 3
Valuation Allowance	$ (3)
Carryforward period	Unlimited
UNITED KINGDOM
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 7
Valuation Allowance	$ (4)
Carryforward period	Unlimited
ARGENTINA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 11
Valuation Allowance	$ (11)
Net operating loss carryforward period In years	5 years