Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended				3 Months Ended	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009	Jun. 30, 2008	Mar. 31, 2011 Internal Revenue Service (IRS)	Jun. 30, 2011 Internal Revenue Service (IRS)
Income Taxes [Line Items]
Temporary differences resulting from earnings for certain non-U.S. subsidiaries which are permanently reinvested outside the United States	$ 44,800,000,000
Unrecognized tax liablility on temporary differences resulting from earnings for certain non-U.S. subsidiaries which are permanently reinvested outside the United States	14,200,000,000
Income taxes paid	5,300,000,000	4,100,000,000	6,600,000,000
Unrecognized tax benefits	6,935,000,000	6,542,000,000	5,403,000,000	3,195,000,000
Unrecognized tax benefits, if recognized would affect our effective tax rate	5,900,000,000	5,600,000,000
Interest related to unrecognized tax benefits	38,000,000	193,000,000	230,000,000
Accrued interest related to uncertain tax positions net of federal income tax benefits	785,000,000	747,000,000	554,000,000
Tax years under audit						2004 to 2006
Tax years subject to examination						2007 to 2010
Reduction of income tax expense due to settlement of prior year audit					$ (461,000,000)