Commitments and Contingent Liabilities (Litigation) (Narrative) (Details) (USD $) In Millions, unless otherwise specified		1 Months Ended	12 Months Ended			3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2013 PFOA Matters [Member]	Jul. 31, 2005 PFOA Matters: Drinking Water Actions [Member]	Dec. 31, 2004 PFOA Matters: Drinking Water Actions [Member] resident	Jun. 30, 2013 PFOA Matters: Drinking Water Actions [Member]	Jan. 31, 2012 PFOA Matters: Drinking Water Actions [Member]	Jun. 30, 2013 PFOA Matters: Additional Actions [Member]	Jun. 30, 2013 PFOA Matters: Additional Actions [Member]	Dec. 31, 2012 Monsanto Patent Dispute [Member]	Jun. 30, 2013 Monsanto Fixed Royalty Payments 2014 - 2017 [Member]	Jun. 30, 2013 Monsanto per Unit Royalty Payments 2018 - 2023 [Member]	Feb. 01, 2010 Titanium Dioxide Antitrust Litigation [Member]
Loss Contingencies [Line Items]
Loss contingency accrual, at carrying value	$ 15
Binding settlement agreement, class size			80,000
Plaintiffs attorney fees		23
Community health project		70
Loss contingency, potential additional loss				235
Escrow deposit					1
Lawsuits alleging personal injury						44	44
Lawsuits alleging wrongful death						2	2
Increase in lawsuits						2	20
Jury awarded damages								1,000
Payments under license agreements									$ 802	$ 950
Lawsuits alleging antitrust violations											2