Dispositions and Other (additional information) (Details) - USD ($) $ in Millions		6 Months Ended	9 Months Ended	12 Months Ended
		Jun. 30, 2016	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on asset sales				$ 44	$ 0	$ 0
Cost Method Investments, Original Cost				70
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses)				$ 5
Insurance business [Member]
Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Nonrecurring (Income) Expense						$ 14
Taixing [Member]
Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of Stock, Percentage of Ownership before Transaction					85.00%
Chengdu [Member]
Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of Stock, Percentage of Ownership before Transaction					49.00%
Equity Method Investment, Ownership Percentage	[1]			0.00%	49.00%
Sanfeng [Member]
Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investment, Ownership Percentage	[1]			0.00%	40.00%
Sanfeng Environmental [Member]
Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of Stock, Percentage of Ownership after Transaction		15.00%
Percentage of Investment Sold		90.00%
Gain on asset sales				$ 41
Proceeds from Sales of Assets, Investing Activities			$ 100	105
Cost Method Investments				$ 7

[1] During 2016, we divested the majority of our investments in China, see Note 4. Dispositions, Assets Held for Sale and Discontinued Operations for additional information.