Segment Reporting - Revenue from Operating Segments (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 24,285	$ 26,149	$ 27,831
Revenues	26,032	28,079	29,706
Depreciation and amortization	630	660	703
Expenditures for long-lived assets	484	637	558
Industrial Activities
Segment Reporting Information [Line Items]
Net sales	24,285	26,149	27,831
Depreciation and amortization	627	657	699
Expenditures for long-lived assets	481	633	550
Industrial Activities \| Operating segments
Segment Reporting Information [Line Items]
Net sales	24,285	26,149	27,831
Industrial Activities \| Eliminations and other
Segment Reporting Information [Line Items]
Net sales	(1,858)	(2,134)	(2,376)
Industrial Activities \| Other activities and adjustments
Segment Reporting Information [Line Items]
Depreciation and amortization	2	2	1
Expenditures for long-lived assets	2	1	0
Agriculture
Segment Reporting Information [Line Items]
Depreciation and amortization	248	281	301
Expenditures for long-lived assets	185	232	224
Agriculture \| Operating segments
Segment Reporting Information [Line Items]
Net sales	10,923	10,959	11,682
Construction
Segment Reporting Information [Line Items]
Depreciation and amortization	46	55	61
Expenditures for long-lived assets	42	46	40
Construction \| Operating segments
Segment Reporting Information [Line Items]
Net sales	2,170	2,768	3,021
Commercial and Specialty Vehicles
Segment Reporting Information [Line Items]
Depreciation and amortization	211	195	206
Expenditures for long-lived assets	160	258	195
Commercial and Specialty Vehicles \| Operating segments
Segment Reporting Information [Line Items]
Net sales	9,421	10,439	10,939
Powertrain
Segment Reporting Information [Line Items]
Depreciation and amortization	120	124	130
Expenditures for long-lived assets	92	96	91
Powertrain \| Operating segments
Segment Reporting Information [Line Items]
Net sales	3,629	4,117	4,565
Financial Services
Segment Reporting Information [Line Items]
Depreciation and amortization	3	3	4
Expenditures for long-lived assets	3	4	8
Financial Services \| Operating segments
Segment Reporting Information [Line Items]
Revenues	1,823	2,011	1,989
Financial Services \| Eliminations and other
Segment Reporting Information [Line Items]
Revenues	$ (76)	$ (81)	$ (114)

Depreciation and amortization net of assets under lease or sold with a buy back.

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- Definition

Expenditures for property plant and equipment net of assets under lease or sold with buy back.

+ References

No definition available.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

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-Publisher FASB
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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599

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-Topic 220
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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- Definition

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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