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Commitments and Contingent Liabilities (Litigation) (Narrative) (Details) (USD $) In Millions, unless otherwise specified |  | 12 Months Ended |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |  | 3 Months Ended |  | 1 Months Ended |
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Sep. 30, 2013 PFOA Matters [Member] | Dec. 31, 2004 PFOA Matters: Drinking Water Actions [Member] resident | Jan. 31, 2012 PFOA Matters: Drinking Water Actions [Member] | Sep. 30, 2013 PFOA Matters: Additional Actions [Member] | Sep. 30, 2013 PFOA Matters: Additional Actions [Member] | Dec. 31, 2012 Monsanto Patent Dispute [Member] | Sep. 30, 2013 Monsanto Fixed Royalty Payments 2014 - 2017 [Member] | Sep. 30, 2013 Monsanto per Unit Royalty Payments 2018 - 2023 [Member] | Sep. 30, 2013 Titanium Dioxide Antitrust Litigation [Member] | Feb. 01, 2010 Titanium Dioxide Antitrust Litigation [Member] | Jul. 31, 2005 Payment for Plaintiffs Attorney Fees [Member] PFOA Matters: Drinking Water Actions [Member] | Jul. 31, 2005 Payment to fund community health project [Member] PFOA Matters: Drinking Water Actions [Member] | Sep. 30, 2013 Funding for medical monitoring program [Member] PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency accrual, at carrying value | $ 15 |  |  |  |  |  |  |  |  |  |  |  |
Binding settlement agreement, class size |  | 80,000 |  |  |  |  |  |  |  |  |  |  |
Settlement payments |  |  |  |  |  |  |  |  |  |  | 23 | 70 |
Loss contingency, potential additional loss |  |  |  |  |  |  |  |  |  |  |  |  | 235
Escrow deposit |  |  | 1 |  |  |  |  |  |  |  |  |  |
Lawsuits alleging personal injury |  |  |  | 45 | 45 |  |  |  |  |  |  |  |
Lawsuits alleging wrongful death |  |  |  | 2 | 2 |  |  |  |  |  |  |  |
Increase in lawsuits |  |  |  | 1 | 21 |  |  |  |  |  |  |  |
Jury awarded damages |  |  |  |  |  | 1,000 |  |  |  |  |  |  |
Payments under license agreements |  |  |  |  |  |  | 802 | 950 |  |  |  |  |
Lawsuits alleging antitrust violations |  |  |  |  |  |  |  |  |  | 2 |  |  |
Loss Contingency |  |  |  |  |  |  |  |  | $ 72 |  |  |  |

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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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