Segment Information (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) group_presidents segments dealers	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Segment Reporting Information
Number of group presidents \| group_presidents			5
Number of operating segments \| segments			7
Useful life to amortize goodwill for segment assets			20 years
Reportable Segments
Sales and revenues	$ 10,962	$ 13,549	$ 35,981	$ 40,940
Depreciation and amortization	758	798	2,272	2,368
Consolidated profit before taxes	518	1,381	3,065	4,143
Segment assets	78,969		78,969		$ 84,681
Capital expenditures	726	847	$ 2,197	2,382
All Other operating segments
Segment Reporting Information
Number of group presidents \| group_presidents			1
Number of smaller operating segments led by Group President \| group_presidents			3
Number of wholly-owned dealers involved in segment reallocation \| dealers			1
Reportable Segments
Sales and revenues	506	583	$ 1,729	1,720
Depreciation and amortization	68	70	202	209
Consolidated profit before taxes	196	228	638	686
Segment assets	2,675		2,675		2,810
Capital expenditures	68	93	159	187
Reportable Segments Including Intersegment Eliminations
Reportable Segments
Sales and revenues	11,097	13,821	$ 36,310	41,738
Reportable Segments
Segment Reporting Information
Number of operating segments led by Group Presidents \| segments			3
Number of operating segments led by Group President responsible for corporate services \| segments			1
Reportable Segments
Number of reportable segments \| segments			4
Sales and revenues	10,553	13,079	$ 34,494	39,516
Depreciation and amortization	647	695	1,956	2,056
Consolidated profit before taxes	1,152	1,976	4,867	5,940
Segment assets	58,478		58,478		61,574
Capital expenditures	639	720	1,795	1,913
Intersegment Eliminations
Reportable Segments
Sales and revenues	544	742	1,816	2,222
Machinery, Energy & Transportation \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
Sales and revenues	10,345	12,970	33,978	39,236
Machinery, Energy & Transportation \| Reportable Segments
Reportable Segments
Sales and revenues	9,801	12,228	32,162	37,014
Depreciation and amortization	437	466	1,318	1,391
Consolidated profit before taxes	945	1,756	4,249	5,236
Segment assets	23,064		23,064		24,563
Capital expenditures	280	293	800	707
Machinery, Energy & Transportation \| Intersegment Eliminations
Reportable Segments
Sales and revenues	544	742	1,816	2,222
Construction Industries \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
Sales and revenues	3,826	4,538	13,058	15,140
Construction Industries \| Reportable Segments
Reportable Segments
Sales and revenues	3,792	4,471	12,928	14,942
Depreciation and amortization	118	129	359	394
Consolidated profit before taxes	378	483	1,705	1,845
Segment assets	5,712		5,712		6,596
Capital expenditures	54	82	139	225
Construction Industries \| Intersegment Eliminations
Reportable Segments
Sales and revenues	34	67	130	198
Resource Industries \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
Sales and revenues	1,889	2,277	5,983	6,854
Resource Industries \| Reportable Segments
Reportable Segments
Sales and revenues	1,796	2,172	5,715	6,536
Depreciation and amortization	158	172	482	514
Consolidated profit before taxes	(68)	122	17	379
Segment assets	8,682		8,682		9,497
Capital expenditures	66	65	134	165
Resource Industries \| Intersegment Eliminations
Reportable Segments
Sales and revenues	93	105	268	318
Energy & Transportation \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
Sales and revenues	4,630	6,155	14,937	17,242
Energy & Transportation \| Reportable Segments
Reportable Segments
Sales and revenues	4,213	5,585	13,519	15,536
Depreciation and amortization	161	165	477	483
Consolidated profit before taxes	635	1,151	2,527	3,012
Segment assets	8,670		8,670		8,470
Capital expenditures	160	146	527	317
Energy & Transportation \| Intersegment Eliminations
Reportable Segments
Sales and revenues	417	570	1,418	1,706
Financial Products Segment \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
Sales and revenues	752	851	2,332	2,502
Financial Products Segment \| Reportable Segments
Reportable Segments
Sales and revenues	752	851	2,332	2,502
Depreciation and amortization	210	229	638	665
Consolidated profit before taxes	207	220	618	704
Segment assets	35,414		35,414		$ 37,011
Capital expenditures	359	427	995	1,206
Financial Products Segment \| Intersegment Eliminations
Reportable Segments
Sales and revenues	$ 0	$ 0	$ 0	$ 0

The number of group presidents that comprise the reporting entity's executive office.

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Represents the number of operating segments that are led by the group president who is responsible for corporate services.

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Number of wholly-owned dealers moved from one operating segment to different operating segment.

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Amount of total capital expenditures attributable to the reportable segments.

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Represents the useful life used to amortize goodwill to allocate to segments assets.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-SubTopic 10

-Section S99

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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