Segment Information (Details 3) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Reconciliation of Consolidated profit (loss) before taxes
Total profit from reportable segments	$ 1,759	$ 1,187	$ 5,193	$ 2,672
All other operating segments	234	200	601	580
Cost centers	30	(3)	28	(8)
Corporate costs	(332)	(238)	(900)	(708)
Timing	12	(97)	(157)	(209)
Methodology differences:
Inventory/cost of sales	(21)		1	38
Postretirement benefit expense	(110)	(224)	(468)	(467)
Financing costs	(116)	(79)	(294)	(248)
Equity in profit of unconsolidated affiliated companies	6	7	24	13
Currency	(188)	(22)	(263)	23
Interest rate swaps		(1)	(149)	(3)
Other income/expense methodology differences	(54)	(29)	(210)	(79)
Other methodology differences	(7)	3	(8)	3
Consolidated profit (loss) before taxes	1,634	1,103	4,747	2,518
Machinery and Power Systems
Reconciliation of Consolidated profit (loss) before taxes
All other operating segments	234	200	601	580
Cost centers	30	(3)	28	(8)
Corporate costs	(332)	(238)	(900)	(708)
Timing	12	(97)	(157)	(209)
Methodology differences:
Inventory/cost of sales	(21)		1	38
Postretirement benefit expense	(110)	(224)	(468)	(467)
Financing costs	(116)	(79)	(294)	(248)
Equity in profit of unconsolidated affiliated companies	6	7	24	13
Currency	(188)	(22)	(263)	23
Interest rate swaps		(1)	(149)	(3)
Other income/expense methodology differences	(54)	(29)	(210)	(79)
Other methodology differences	(7)	1	(11)	(2)
Consolidated profit (loss) before taxes	1,489	993	4,291	2,189
Machinery and Power Systems \| Reportable segments
Reconciliation of Consolidated profit (loss) before taxes
Total profit from reportable segments	2,035	1,478	6,089	3,259
Financial Products
Methodology differences:
Other methodology differences		2	3	5
Consolidated profit (loss) before taxes	145	110	456	329
Financial Products \| Reportable segments
Reconciliation of Consolidated profit (loss) before taxes
Total profit from reportable segments	145	108	453	324
Reportable segments
Reconciliation of Consolidated profit (loss) before taxes
Total profit from reportable segments	$ 2,180	$ 1,586	$ 6,542	$ 3,583

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This element represents amount of profit or losses from cost centers before taxes.

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- Definition

Represents the amount of currency adjustment due to methodology differences.

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Represents the amount of equity in profit of unconsolidated affiliated companies due to methodology differences.

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Represents the amount of financing costs adjustment due to methodology differences.

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Represents the amount of Interest rate swap adjustment due to methodology differences.

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Represents the amount of inventory or cost of sales adjustment due to methodology differences.

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Represents the amount of other methodology differences.

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Represents the amount of other income/expense methodology differences.

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This element represents amount of profit or losses from all other operating segments before taxes.

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Represents the amount of postretirement benefit expense adjustment due to methodology differences.

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This element represents amount of profit or losses from timing difference adjustments before taxes.

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- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 4

-Section 08

-Paragraph h

-Subparagraph 1(i)

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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The net result for the period of deducting operating expenses from operating revenues.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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