Contingencies and Litigation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Loss Contingencies [Line Items]
Product warranty expense	$ 22	$ 25	$ 28
Product warranty accrual	9	11
Brazil Tax And Labor Contingencies [Member]
Loss Contingencies [Line Items]
Unreserved tax and labor contingencies	577	$ 817
Escrow cash deposits	71
Net book value of assets with liens	14
Letters of Credit and Surety Bonds Outstanding, Amount	129
Letters of Credit and Surety Bonds Outstanding, Amount	$ 80