Fair Value Measurements and Financial Instruments (Details 1) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Designated derivative instruments
Derivative assets, designated	$ 12	$ 36
Derivative liabilities, designated	20	4
Derivatives not designated
Derivative assets not designated	0	0
Derivative liabilities not designated	0	0
Total derivative instruments, Assets	12	36
Total derivative instruments, Liabilities	20	4
Other financial instruments
Total other financial instruments	56	23
Other current assets
Other financial instruments
Marketable securities	56	23
Other current assets | Interest rate swap contracts
Designated derivative instruments
Derivative assets, designated	0	1
Other current assets | Foreign currency contracts
Designated derivative instruments
Derivative assets, designated	10	29
Other current assets | Commodity contracts
Designated derivative instruments
Derivative assets, designated	0	0
Other assets | Interest rate swap contracts
Designated derivative instruments
Derivative assets, designated	0	1
Other assets | Foreign currency contracts
Designated derivative instruments
Derivative assets, designated	2	5
Derivatives not designated
Derivative assets not designated	0	0
Other accruals | Interest rate swap contracts
Designated derivative instruments
Derivative liabilities, designated	0	0
Other accruals | Foreign currency contracts
Designated derivative instruments
Derivative liabilities, designated	18	4
Other accruals | Commodity contracts
Designated derivative instruments
Derivative liabilities, designated	0	0
Other liabilities | Interest rate swap contracts
Designated derivative instruments
Derivative liabilities, designated	1	0
Other liabilities | Foreign currency contracts
Designated derivative instruments
Derivative liabilities, designated	1	0
Derivatives not designated
Derivative liabilities not designated	$ 0	$ 0