Fair Value Measurements And Financial Instruments (Effects Of Derivative Financial Instruments Designated As Hedging Instruments On OCI And On Consolidated Statement Of Earnings) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in OCI	$ 4	$ 1	$ (30)	$ 16
Gains (losses) reclassified from OCI and recognized in earnings	1		3	2
Commodity Purchase Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in OCI	4	1	4	12
Gains (losses) reclassified from OCI and recognized in earnings	1	1	3	2
Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in OCI		1	(36)	7
Gains (losses) reclassified from OCI and recognized in earnings	(1)		(1)
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in OCI		(1)	2	(3)
Gains (losses) reclassified from OCI and recognized in earnings	$ 1	$ (1)	$ 1