New Accoutning Pronouncements and Policies (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
Accounting Changes and Error Corrections [Abstract]
Net Income (Loss) Attributable to Noncontrolling Interest	$ 56	$ 33	$ 112	$ 101
Payments of Dividends, Noncontrolling Interest				$ 67