Discontinued Operations - Major Components of Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Disposal Group, Including Discontinued Operation, Assets, Current	$ 3,632	$ 2,849
Disposal Group, Including Discontinued Operation, Liabilities, Current	1,115	660
Pet Care Business [Member]
Disposal Group, Including Discontinued Operation, Cash		0
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net		0
Disposal Group, Including Discontinued Operation, Inventory, Current		122
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current		14
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent		441
Disposal Group, Including Discontinued Operation, Goodwill And Intangible Assets, Noncurrent		2,258
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent		14
Disposal Group, Including Discontinued Operation, Assets, Current		2,849
Disposal Group, Including Discontinued Operation, Accounts Payable, Current		63
Disposal Group, Including Discontinued Operation, Accrued Liabilities And Other Liabilities, Current		13
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent		0
Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities, Noncurrent		584
Disposal Group, Including Discontinued Operation, Liabilities, Current		660
Batteries [Member]
Disposal Group, Including Discontinued Operation, Cash	26
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net	224
Disposal Group, Including Discontinued Operation, Inventory, Current	307
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current	33
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent	475
Disposal Group, Including Discontinued Operation, Goodwill And Intangible Assets, Noncurrent	2,550
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent	17
Disposal Group, Including Discontinued Operation, Assets, Current	3,632
Disposal Group, Including Discontinued Operation, Accounts Payable, Current	150
Disposal Group, Including Discontinued Operation, Accrued Liabilities And Other Liabilities, Current	154
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	29
Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities, Noncurrent	782
Disposal Group, Including Discontinued Operation, Liabilities, Current	$ 1,115