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v2.4.1.9

Marketable Securities (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | $ 33 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax | $ 1 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | (4)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax | (12)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Available-for-sale Securities, Amortized Cost Basis | 884 us-gaap_AvailableForSaleSecuritiesAmortizedCost | 1,011 us-gaap_AvailableForSaleSecuritiesAmortizedCost
Available-for-sale Securities | 913 us-gaap_AvailableForSaleSecurities | 1,000 us-gaap_AvailableForSaleSecurities
United States Government Obligations [Member] | Maturity Less Than 1 Year [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 311 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 385 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
Available-for-sale Securities, Debt Securities | 311 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 385 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
United States Government Obligations [Member] | Maturity 1 To 5 Years [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 95 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 93 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Debt Securities | 95 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 93 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USGovernmentAgenciesDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Corporate Debt Securities [Member] | Maturity 1 To 5 Years [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 73 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 72 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 1 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Debt Securities | 74 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 72 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_CorporateDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Other Debt Securities [Member] | Maturity Less Than 1 Year [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 95 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 130 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
Available-for-sale Securities, Debt Securities | 95 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember | 130 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodWithinOneYearMember
Other Debt Securities [Member] | Maturity 1 To 5 Years [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Debt Securities, Amortized Cost Basis | 3 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 3 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 0 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Available-for-sale Securities, Debt Securities | 3 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember | 3 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_OtherDebtSecuritiesMember / adm_ScheduleOfAvailableForSaleSecuritiesDebtSecuritiesMaturityPeriodAxis = adm_MaturityPeriodAfterWithinOneYearMember
Equity Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Gross Unrealized Gain, Accumulated in Investments | 32 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember | 1 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember
Available-for-sale Securities, Gross Unrealized Loss, Accumulated in Investments | (4)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember | (12)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember
Available-for-sale Equity Securities, Amortized Cost Basis | 307 us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember | 328 us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember
Available-for-sale Securities, Equity Securities | $ 335 us-gaap_AvailableForSaleSecuritiesEquitySecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember | $ 317 us-gaap_AvailableForSaleSecuritiesEquitySecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_EquitySecuritiesMember

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- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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