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Restructuring and Asset Related Charges DowDuPont Agriculture Division Restructuring Program (Details) - DowDuPont Agriculture Division Restructuring Program [Member] - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and Asset Related Charges - Net | $ (14,000,000) | $ 84,000,000
Employee Severance [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and Asset Related Charges - Net | (17,000,000) | 78,000,000
Asset Related Charges [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and Asset Related Charges - Net | 3,000,000 | 6,000,000
Seed [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and Asset Related Charges - Net | 3,000,000 | 5,000,000
Crop Protection [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and Asset Related Charges - Net | (4,000,000) | 1,000,000
Corporate Segment [Member] |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring and Asset Related Charges - Net | $ (13,000,000) | $ 78,000,000

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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. + References No definition available. + Details
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- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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