CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME Consolidated Statements of Other Comprehensive Income Parenthetical (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Statement of Comprehensive Income [Abstract]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	$ 209	$ 92	$ 441
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	4	5	3
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	$ 356	$ 637	$ 993