Income Taxes - Net Operating Loss Carryforwards (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
Deferred Tax Asset	$ 472	$ 448
Valuation Allowance	(173)
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Domestic	279
Valuation Allowance	$ 0
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	$ 97
Valuation Allowance	$ (92)
Carryforward period	Various
BRAZIL
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 38
Valuation Allowance	$ (38)
Carryforward period	Unlimited
FRANCE
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 11
Valuation Allowance	$ 0
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	$ 2
Valuation Allowance	$ 0
Carryforward period	Unlimited
UNITED KINGDOM
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 5
Valuation Allowance	$ (3)
Carryforward period	Unlimited
ARGENTINA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 8
Valuation Allowance	$ (8)
Net operating loss carryforward period In years	5 years
CHINA
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Net operating loss carryforwards, Foreign	$ 1
Valuation Allowance	$ (1)
Net operating loss carryforward period In years	5 years