High end of the range of the entity's contracted commodity sales volumes hedged during the historical hedging period.

No definition available.

Name:	adm_CommodityHedgedDuringHistoricalHedgingPeriodHighEnd
Namespace Prefix:	adm_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

- Definition

Low end of the range of the entity's contracted commodity sales volumes hedged during the historical hedging period.

+ References

No definition available.

+ Details

Name:	adm_CommodityHedgedDuringHistoricalHedgingPeriodLowEnd
Namespace Prefix:	adm_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

- Definition

High end of the range of the contracted sales volume hedged by the company over the future hedging period.

+ References

No definition available.

+ Details

Name:	adm_ContractedCommodityHedgedOverFutureHedgingPeriodHighEnd
Namespace Prefix:	adm_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Low end of the range of the contracted sales volume hedged by the company over the future hedging period.

+ References

No definition available.

+ Details

Name:	adm_ContractedCommodityHedgedOverFutureHedgingPeriodLowEnd
Namespace Prefix:	adm_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

The period of time for which the entity discloses its historical hedging percentages.

+ References

No definition available.

+ Details

Name:	adm_DerivativeHedgedItemPastPeriodOfTimeHedged
Namespace Prefix:	adm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The period of time for which the entity discloses its historical hedging gallons.

+ References

No definition available.

+ Details

Name:	adm_DerivativeHedgedItemPastPeriodOfTimeHedgedVolumes
Namespace Prefix:	adm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The forward time period for which hedges have been made as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	adm_DerivativeHedgedItemTimePeriod
Namespace Prefix:	adm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of months price risk cash flow hedges gain loss will be recognized in earnings

+ References

No definition available.

+ Details

Name:	adm_Numberofmonthspriceriskcashflowhedgesgainlosswillberecognizedinearnings
Namespace Prefix:	adm_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

High end of the range of the percentage of the entity's anticipated commodity purchases or production hedged during the historical hedging period.

+ References

No definition available.

+ Details

Name:	adm_PercentageOfAnticipatedCommodityHedgedDuringHistoricalHedgingPeriodHighEnd
Namespace Prefix:	adm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Low end of the range of the percentage of entity's anticipated commodity purchases or production hedged during the historical hedging period

+ References

No definition available.

+ Details

Name:	adm_PercentageofAnticipatedCommodityHedgedDuringHistoricalHedgingPeriodLowEnd
Namespace Prefix:	adm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

High end of the range of the percentage of the entity's anticipated commodity purchases or production hedged over the forward hedging period.

+ References

No definition available.

+ Details

Name:	adm_PercentageofAnticipatedCommodityHedgedoverFutureHedgingPeriodHighEnd
Namespace Prefix:	adm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Low end of the range of the percentage of the entity's anticipated commodity purchases or production hedged over the forward hedging period.

+ References

No definition available.

+ Details

Name:	adm_PercentageofAnticipatedCommodityHedgedoverFutureHedgingPeriodLowEnd
Namespace Prefix:	adm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents the quantity of corn processing per month under the designated cash flow hedge program.

+ References

No definition available.

+ Details

Name:	adm_ProcessingOfCornPerMonth
Namespace Prefix:	adm_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611

+ Details

Name:	us-gaap_InterestRateDerivativeAssetsAtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The estimated net amount of unrealized gains or losses on price risk cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

+ Details

Name:	us-gaap_PriceRiskCashFlowHedgeUnrealizedGainLossToBeReclassifiedDuringNext12Months
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Derivative Instruments and Hedging Activities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended			3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 bu	Jun. 30, 2014 Designated As Hedging Instrument [Member]	Dec. 31, 2013 Designated As Hedging Instrument [Member]	Jun. 30, 2014 Corn [Member] Designated As Hedging Instrument [Member]	Jun. 30, 2014 Corn [Member] Designated As Hedging Instrument [Member]	Jun. 30, 2014 Ethanol [Member] Designated As Hedging Instrument [Member] gal	Jun. 30, 2014 Ethanol [Member] Designated As Hedging Instrument [Member] gal
Derivative [Line Items]
Interest Rate Derivative Assets, at Fair Value	$ 17	$ 17	$ 17	$ 0
After-tax losses in AOCI from commodity cash flow hedge transactions			$ 32
Number of months price risk cash flow hedges gain loss will be recognized in earnings	12 months
Corn processed per month (in bushels)		76,000,000
Historical time period of hedge percentages						12 months
Percentage of anticipated commodity purchases or production hedged during historical hedging period, low end of range (as a percent)						16.00%
Percentage of anticipated commodity purchases or production hedged during historical hedging period, high end of range (as a percent)						71.00%
Percentage of anticipated commodity purchases or production hedged over future hedging period, low end of range (as a percent)					1.00%	1.00%
Percentage of anticipated commodity purchases or production hedged over future hedging period, high end of range (as a percent)					60.00%	60.00%
Derivative Hedged Item Past Period of Time Hedged Volumes								12 months
Commodity sales volume hedged during historical hedging period, low end of range (in gallons)								10,000,000
Commodity sales volume hedged during historical hedging period, high end of range (in gallons)								121,000,000
Derivative Hedged Item Time Period					12 months		12 months
Contracted commodity sales volume hedged over future hedging period, low end of range (in gallons)							7,000,000	7,000,000
Contracted commodity sales volume hedged over future hedging period, high end of range (in gallons)							95,000,000	95,000,000