Derivative Financial Instruments and Risk Management (Details 2) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Derivatives Fair Value
Asset Fair Value	$ 255	$ 298
Liability Fair Value	(69)	(144)
Machinery and Power Systems
Derivatives Fair Value
Asset Fair Value	92	60
Liability Fair Value	(56)	(129)
Financial Products
Derivatives Fair Value
Asset Fair Value	163	238
Liability Fair Value	(13)	(15)
Designated Derivatives
Derivatives Fair Value
Asset (Liability) Fair Value	162	180
Designated Derivatives | Foreign exchange contracts | Receivables-trade and other | Machinery and Power Systems
Derivatives Fair Value
Asset Fair Value	49	28
Designated Derivatives | Foreign exchange contracts | Long-term receivables-trade and other | Machinery and Power Systems
Derivatives Fair Value
Asset Fair Value	1	0
Designated Derivatives | Foreign exchange contracts | Accrued Expenses | Machinery and Power Systems
Derivatives Fair Value
Liability Fair Value	(24)	(66)
Designated Derivatives | Interest rate contracts | Receivables-trade and other | Financial Products
Derivatives Fair Value
Asset Fair Value	12	17
Designated Derivatives | Interest rate contracts | Long-term receivables-trade and other | Financial Products
Derivatives Fair Value
Asset Fair Value	130	209
Designated Derivatives | Interest rate contracts | Accrued Expenses | Financial Products
Derivatives Fair Value
Liability Fair Value	(6)	(8)
Undesignated Derivatives
Derivatives Fair Value
Asset (Liability) Fair Value	24	(26)
Undesignated Derivatives | Foreign exchange contracts | Receivables-trade and other | Machinery and Power Systems
Derivatives Fair Value
Asset Fair Value	42	31
Undesignated Derivatives | Foreign exchange contracts | Receivables-trade and other | Financial Products
Derivatives Fair Value
Asset Fair Value	13	10
Undesignated Derivatives | Foreign exchange contracts | Long-term receivables-trade and other | Financial Products
Derivatives Fair Value
Asset Fair Value	8	0
Undesignated Derivatives | Foreign exchange contracts | Accrued Expenses | Machinery and Power Systems
Derivatives Fair Value
Liability Fair Value	(31)	(63)
Undesignated Derivatives | Foreign exchange contracts | Accrued Expenses | Financial Products
Derivatives Fair Value
Liability Fair Value	(7)	(6)
Undesignated Derivatives | Interest rate contracts | Receivables-trade and other | Financial Products
Derivatives Fair Value
Asset Fair Value	0	2
Undesignated Derivatives | Interest rate contracts | Accrued Expenses | Financial Products
Derivatives Fair Value
Liability Fair Value	0	(1)
Undesignated Derivatives | Commodity contracts | Receivables-trade and other | Machinery and Power Systems
Derivatives Fair Value
Asset Fair Value	0	1
Undesignated Derivatives | Commodity contracts | Accrued Expenses | Machinery and Power Systems
Derivatives Fair Value
Liability Fair Value	$ (1)	$ 0