Inventories, Derivative Instruments & Hedging Activities (Pre-Tax Gains (Losses) On Derivatives Not Designated As Hedging Instruments) (Details) (Not Designated As Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Derivative [Line Items]
Total gain (loss) recognized in earnings	$ (687)	$ (1,094)	$ 204
Interest Expense [Member]
Derivative [Line Items]
Interest Contracts	0	0	0
Net Sales And Other Operating Income [Member]
Derivative [Line Items]
FX Contracts	117	(14)	0
Cost Of Products Sold [Member]
Derivative [Line Items]
FX Contracts	(255)	150	61
Commodity Contracts	(527)	(1,303)	242
Other Income (Expense) - Net [Member]
Derivative [Line Items]
Interest Contracts		30	(57)
FX Contracts	(21)	43	(42)
Other Contracts	$ (1)	$ 0	$ 0