Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Jun. 30, 2011 years acquisitions securities days segments VIEs	Jun. 30, 2010	Jun. 30, 2009
Principles of Consolidation
Difference in financial statement date of certain subsidiaries and affiliates included in Company's results (in days)	93
Reporting period lag eliminated in the reporting of one consolidated subsidiary	one-month lag
Use of Estimates
Effect of change in accounting estimate on after-tax earnings	$ 83,000,000
Effect of change in accounting estimate on diluted earnings per share (in dollars per share)	$ 0.13
Receivables
Allowance for estimated uncollectible trade accounts receivable	100,000,000	97,000,000
Trade accounts receivable due from unconsolidated affiliates	367,000,000	304,000,000
Property, Plant, and Equipment
Minimum asset lives of building (in years)	10
Maximum asset lives of building (in years)	40
Minimum asset lives of machinery and equipment (in years)	3
Maximum asset lives of machinery and equipment (in years)	30
Capitalized interest on major construction projects	7,000,000	75,000,000	95,000,000
Goodwill and other intangible assets
Goodwill impairment charge			6,000,000
Asset Abandonments and Write-Downs
Asset abandonments and write-downs	2,000,000	9,000,000	13,000,000
Net Sales
Net sales to unconsolidated affiliates	7,100,000,000	7,100,000,000	6,500,000,000
Research and Development
Research and development expenses, net of expenditures subsequently reimbursed by government grants	60,000,000	56,000,000	50,000,000
New Accounting Standards
Number of VIE deconsolidated (in VIEs)	1
Global pre-finance program
Accounts, Notes, Loans and Financing Receivable
Financing receivable outstanding	220,000,000
Hickory Point Bank and Trust
Accounts, Notes, Loans and Financing Receivable
Financing receivable outstanding	$ 290,000,000
Period of delinquency after which accrual of interest is discontinued, in days	90