Financial Instruments (Fair Value of Assets and Liabilities Related to Derivative Financial Instruments) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012		Jun. 30, 2011
Derivative Assets, Fair Value, Gross Asset	$ 51		$ 36
Derivative Liabilities, Fair Value, Gross Liability	2		4
Designated as Hedging Instrument | Prepaid Expenses And Other Member | Interest Rate Contract
Derivative Assets, Fair Value, Gross Asset	49	[1]	32	[1]
Designated as Hedging Instrument | Prepaid Expenses And Other Member | Foreign currency contracts
Derivative Assets, Fair Value, Gross Asset	2	[1]	1	[1]
Designated as Hedging Instrument | Prepaid Expenses And Other Member | Commodity contracts
Derivative Assets, Fair Value, Gross Asset	0	[1]	3	[1]
Designated as Hedging Instrument | Deferred Income Taxes And Other Liabilities Member | Foreign currency contracts
Derivative Liabilities, Fair Value, Gross Liability	1	[2]	3	[2]
Not Designated as Hedging Instrument | Other Accrued Liabilities Member | Commodity contracts
Derivative Liabilities, Fair Value, Gross Liability	$ 1	[3]	$ 1	[3]

[1] Included in Prepaid expenses and other on the consolidated balance sheets.

[2] Included in Deferred income taxes and other liabilities on the consolidated balance sheets.

[3] Included in Other accrued liabilities on the consolidated balance sheets.