ACCUMULATED OTHER COMPREHENSIVE INCOME Satement of AOCI (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beg. Balance	$ (7,499)		$ (9,333)
OCI before reclassification	(354)	[1]	1,780	[2]
Amounts reclassified from AOCI	191		54
Other Comprehensive Income (Loss), Net of Tax	(163)		1,834		(7,279)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End Balance	(7,662)		(7,499)		(9,333)
Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beg. Balance	(3,529)		(3,673)
OCI before reclassification	(305)	[1]	363	[2]
Amounts reclassified from AOCI	(42)		(219)
Other Comprehensive Income (Loss), Net of Tax	(347)		144
Accumulated Other Comprehensive Income (Loss), Net of Tax, End Balance	(3,876)		(3,529)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beg. Balance	(27)		(3)
OCI before reclassification	20	[1]	(24)	[2]
Amounts reclassified from AOCI	(11)		0
Other Comprehensive Income (Loss), Net of Tax	9		(24)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End Balance	(18)		(27)
Pension Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beg. Balance	(4,296)		(5,300)
OCI before reclassification	(1,113)	[1]	731	[2]
Amounts reclassified from AOCI	244		273
Other Comprehensive Income (Loss), Net of Tax	(869)		1,004
Accumulated Other Comprehensive Income (Loss), Net of Tax, End Balance	(5,165)		(4,296)
Foreign Currency Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beg. Balance	353		(357)
OCI before reclassification	1,044	[1]	710	[2]
Amounts reclassified from AOCI	0		0
Other Comprehensive Income (Loss), Net of Tax	1,044		710
Accumulated Other Comprehensive Income (Loss), Net of Tax, End Balance	$ 1,397		$ 353

[1] Net of tax (benefit) / expense of $(207), $3, and $(450) for gains and losses on hedges, investment securities and pension and other retiree benefit items, respectively.Reclassifications out of Accumulated Other Comprehensive Income/(Loss)Years ended June 302014 2013Hedges (1) Interest rate contracts$6 $6Foreign exchange contracts38 215Total before-tax44 221Tax (expense)/benefit(2) (2)Net of tax42 219 Gains / (losses) on Investment Securities (2)18 —Tax (expense)/benefit(7) —Net of tax11 — Pension and Other Retiree Benefits (3) Amortization of deferred amounts (6) 2Recognized net actuarial gains/(losses)(332) (412)Curtailments and settlements— (4)Total before-tax(338) (414)Tax (expense)/benefit94 141Net of tax(244) (273)Total reclassifications, net of tax(191) (54)

[2] Net of tax (benefit) / expense of $94, $(5) and $496 for gains / losses on hedges, investment securities and pension and other retiree benefit items, respectively.