Contingencies and Litigation (Details) $ in Millions		12 Months Ended
	May 09, 2014	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Multiplier Of Overpayment Amounts	2
Product warranty expense		$ 15	$ 22	$ 25
Product warranty accrual		8	9
Brazil Tax And Labor Contingencies [Member]
Loss Contingencies [Line Items]
Unreserved tax and labor contingencies		750	$ 577
Escrow cash deposits		85
Net book value of assets with liens		4
Letters of Credit Outstanding, Amount		142
Surety Bonds Outstanding, Amount		$ 91