Other Income, Net (Other Income, Net) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Other Income, Net [Abstract]
Interest income on corporate funds	$ (27.2)	$ (27.9)	$ (56.8)	$ (58.7)
Realized gains on available-for-sale securities	(14.8)	(5.4)	(19.1)	(17.6)
Realized losses on available-for-sale securities	6.6	1.8	6.9	2.2
Impairment losses on available-for-sale securities	5.8		5.8
Impairment losses on assets held for sale				8.6
Gain on sale of assets	(66.0)		(66.0)
Gains on sales of buildings				(1.8)
Other, net	(0.6)	(0.6)	(1.2)	(2.0)
Other income, net	$ (96.2)	$ (32.1)	$ (130.4)	$ (69.3)

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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The excess or deficiency of net proceeds from sale in the period compared to carrying value of intangible assets as of consummation date of the sale.

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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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