XML 49 R33.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary Of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of inventory by costing method [Table Text Block] | The following table sets forth the Company’s inventories as of December 31, 2018 and 2017.
| December 31, 2018 |  | December 31, 2017
| (In millions)
LIFO inventories |  |  |
FIFO value | $ | 1,011 |  |  | $ | 1,056 |
LIFO valuation reserve | (55 | ) |  | (73 | )
LIFO inventories carrying value | 956 |  |  | 983 |
FIFO inventories | 2,908 |  |  | 2,906 |
Market inventories | 4,547 |  |  | 4,886 |
Supplies and other inventories | 402 |  |  | 398 |
Total inventories | $ | 8,813 |  |  | $ | 9,173 |

X
- Definition Tabular disclosure of the valuation of inventories using the lower of cost, determined by either LIFO or FIFO method, or market. + References No definition available. + Details
Name: | adm_ScheduleOfInventoryByCostingMethodTableTextBlock
Namespace Prefix: | adm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration