Derivative Financial Instruments and Risk Management (Details 5) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Offsetting Liabilities
Gross Amount of Recognized Liabilities	$ (69)	$ (144)
Gross Amounts Offset in the Statement of Financial Postion	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Position	(69)	(144)
Financial Instruments	61	71
Cash Collateral Pledged	0	0
Net Amount of Liabilities	(8)	(73)
Machinery and Power Systems
Offsetting Liabilities
Gross Amount of Recognized Liabilities	(56)	(129)
Gross Amounts Offset in the Statement of Financial Postion	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Position	(56)	(129)
Financial Instruments	52	59
Cash Collateral Pledged	0	0
Net Amount of Liabilities	(4)	(70)
Financial Products
Offsetting Liabilities
Gross Amount of Recognized Liabilities	(13)	(15)
Gross Amounts Offset in the Statement of Financial Postion	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Position	(13)	(15)
Financial Instruments	9	12
Cash Collateral Pledged	0	0
Net Amount of Liabilities	$ (4)	$ (3)