Derivative Financial Instruments and Risk Management (Details 6) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Offsetting Liabilities
Gross Amount of Recognized Liabilities	$ (101)	$ (167)
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amount of Liabilities Presented in the Statement of Financial Position	(101)	(167)
Financial Instruments	28	28
Cash Collateral Pledged	0	0
Net Amount of Liabilities	(73)	(139)
Machinery, Energy & Transportation
Offsetting Liabilities
Gross Amount of Recognized Liabilities	(74)	(159)
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amount of Liabilities Presented in the Statement of Financial Position	(74)	(159)
Financial Instruments	23	21
Cash Collateral Pledged	0	0
Net Amount of Liabilities	(51)	(138)
Financial Products
Offsetting Liabilities
Gross Amount of Recognized Liabilities	(27)	(8)
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amount of Liabilities Presented in the Statement of Financial Position	(27)	(8)
Financial Instruments	5	7
Cash Collateral Pledged	0	0
Net Amount of Liabilities	$ (22)	$ (1)