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Subsequent Events Subsequent Events (Details) - Subsequent Event [Member] £ in Millions, $ in Millions, € in Billions | Jul. 02, 2018 USD ($) | Jul. 02, 2018 EUR (€) | Jul. 01, 2018 USD ($) | Jul. 01, 2018 GBP (£)
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Probiotics [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Payments to Acquire Businesses, Gross |  |  | $ 243 | £ 185
Neovia [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of production facilities | 72 | 72 |  |
Number of Countries in which Entity Operates | 25 | 25 |  |
Payments to Acquire Businesses, Gross | $ 1,800 | € 1.5 |  |

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- Definition Number of production facilities + References No definition available. + Details
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Namespace Prefix: | adm_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |