Income Taxes (Components of Net Deferred Tax Assets) (Details) (USD $) In Millions	Jun. 30, 2011	Jun. 30, 2010
Income Taxes
Compensation and benefit programs	$ 157	$ 201
Basis difference related to Venture Agreement	30	30
Accruals and reserves	34	25
Inventory costs	13	13
Net operating loss and tax credit carryforwards	18	14
Other	36	49
Subtotal	288	332
Valuation allowance	(14)	(12)
Total deferred tax assets	274	320
Fixed and intangible assets	(258)	(188)
Low-income housing partnerships	(27)	(28)
Other	(35)	(30)
Total deferred tax liabilities	(320)	(246)
Current deferred tax assets	68	73
Noncurrent deferred tax assets	26	25
Noncurrent deferred tax liabilities	(140)	(19)
Net deferred tax (liabilities) assets	$ (46)	$ 74