Derivative Financial Instruments and Risk Management (Details 6) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Offsetting Liabilities
Gross Amount of Recognized Liabilities	$ (81)	$ (214)
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Position	(81)	(214)
Financial Instruments	27	35
Cash Collateral Pledged	0	0
Net Amount of Liabilities	(54)	(179)
Machinery, Energy & Transportation
Offsetting Liabilities
Gross Amount of Recognized Liabilities	(72)	(191)
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Position	(72)	(191)
Financial Instruments	20	27
Cash Collateral Pledged	0	0
Net Amount of Liabilities	(52)	(164)
Financial Products
Offsetting Liabilities
Gross Amount of Recognized Liabilities	(9)	(23)
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Position	(9)	(23)
Financial Instruments	7	8
Cash Collateral Pledged	0	0
Net Amount of Liabilities	$ (2)	$ (15)