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

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Represents the number of operating segments which are led by group presidents.

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Represents the number of smaller operating segments that are led by the group president.

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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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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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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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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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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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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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Reportable Segments (Details) $ in Millions	3 Months Ended								12 Months Ended
Reportable Segments (Details) $ in Millions	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) group_presidents segments	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information
Number of group presidents \| group_presidents									4
Number of operating segments \| segments									5
Useful life to amortize goodwill for segment assets									20 years
Reportable Segments
External sales and revenues	$ 13,144	$ 12,758	$ 14,432	$ 13,466	$ 14,342	$ 13,510	$ 14,011	$ 12,859	$ 53,800	$ 54,722	$ 45,462
Depreciation and amortization									2,577	2,766	2,877
Consolidated profit before taxes									7,812	7,822	4,082
Segment assets	78,453				78,509				78,453	78,509
Capital expenditures									$ 2,669	2,916	2,336
All Other operating segments
Segment Reporting Information
Number of group presidents \| group_presidents									1
Number of smaller operating segments led by Group President \| segments									1
Reportable Segments
External sales and revenues											178
Depreciation and amortization									$ 210	225	220
Consolidated profit before taxes									4	23	(44)
Segment assets	1,337				1,279				1,337	1,279
Capital expenditures									131	170	134
Reportable Segments Including Intersegment Eliminations
Reportable Segments
External sales and revenues									$ 58,456	59,571	49,576
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
Number of reportable segments \| segments									4
Reportable Segments
External sales and revenues									$ 54,288	55,115	45,694
Depreciation and amortization									2,213	2,303	2,387
Consolidated profit before taxes									10,302	10,220	7,601
Segment assets	55,858				55,732				55,858	55,732	53,698
Capital expenditures									2,516	2,755	2,311
Intersegment Eliminations
Reportable Segments
External sales and revenues									4,168	4,456	3,882
Machinery, Energy & Transportation \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
External sales and revenues									55,022	56,292	46,483
Machinery, Energy & Transportation \| Reportable segments
Reportable Segments
External sales and revenues									50,854	51,836	42,601
Depreciation and amortization									1,384	1,469	1,567
Consolidated profit before taxes									9,470	9,715	6,809
Segment assets	20,045				19,730				20,045	19,730	18,805
Capital expenditures									982	1,196	938
Machinery, Energy & Transportation \| Intersegment Eliminations
Reportable Segments
External sales and revenues									4,168	4,456	3,882
Construction Industries \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
External sales and revenues									22,649	23,237	19,240
Construction Industries \| Reportable segments
Reportable Segments
External sales and revenues									22,556	23,116	19,133
Depreciation and amortization									331	367	400
Consolidated profit before taxes									3,931	4,174	3,255
Segment assets	5,219				4,902				5,219	4,902	4,838
Capital expenditures									201	266	228
Construction Industries \| Intersegment Eliminations
Reportable Segments
External sales and revenues									93	121	107
Resource Industries \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
External sales and revenues									10,276	10,270	7,861
Resource Industries \| Reportable segments
Reportable Segments
External sales and revenues									9,813	9,888	7,504
Depreciation and amortization									425	462	514
Consolidated profit before taxes									1,629	1,603	698
Segment assets	6,214				6,442				6,214	6,442	6,403
Capital expenditures									168	188	183
Resource Industries \| Intersegment Eliminations
Reportable Segments
External sales and revenues									463	382	357
Energy & Transportation \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
External sales and revenues									22,097	22,785	19,382
Energy & Transportation \| Reportable segments
Reportable Segments
External sales and revenues									18,485	18,832	15,964
Depreciation and amortization									628	640	653
Consolidated profit before taxes									3,910	3,938	2,856
Segment assets	8,612				8,386				8,612	8,386	7,564
Capital expenditures									613	742	527
Energy & Transportation \| Intersegment Eliminations
Reportable Segments
External sales and revenues									3,612	3,953	3,418
Financial Products Segment
Reportable Segments
Revenue from Related Parties									524	470	384
Financial Products Segment \| Reportable Segments Including Intersegment Eliminations
Reportable Segments
External sales and revenues									3,434	3,279	3,093
Financial Products Segment \| Reportable segments
Reportable Segments
External sales and revenues									3,434	3,279	3,093
Depreciation and amortization									829	834	820
Consolidated profit before taxes									832	505	792
Segment assets	$ 35,813				$ 36,002				35,813	36,002	34,893
Capital expenditures									1,534	1,559	1,373
Financial Products Segment \| Intersegment Eliminations
Reportable Segments
External sales and revenues									$ 0	$ 0	$ 0