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Derivative Instruments and Fair Value Measurements (Details Textual) (USD $) In Millions, unless otherwise specified			3 Months Ended						3 Months Ended
	Mar. 31, 2012 Finance Group [Member]	Dec. 31, 2011 Finance Group [Member]	Mar. 31, 2012 Manufacturing Group [Member]	Mar. 31, 2012 Interest rate exchange contracts [Member] Finance Group [Member]	Dec. 31, 2011 Interest rate exchange contracts [Member] Finance Group [Member]	Mar. 31, 2012 Foreign currency exchange contracts [Member]	Mar. 31, 2012 Foreign currency exchange contracts [Member] Manufacturing Group [Member]	Dec. 31, 2011 Foreign currency exchange contracts [Member] Manufacturing Group [Member]	Mar. 31, 2012 Net Investment Hedge [Member]
Derivative Instruments and Fair Value Measurements (Textual) [Abstract]
Notional amounts				$ 805	$ 848		$ 663	$ 645
Forward exchange contracts and purchased options maximum maturity period			3 years
Net deferred gain in Accumulated Other Comprehensive Income/Loss						6			7
Currency effects (after-tax gain) on the effective portion of cash flow hedges, which are reflected in the cumulative translation adjustment account within OCI									$ 12
Portion of fair value of term debt determined based on observable market transactions	42.00%	53.00%

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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