Employee Benefit Plans (Changes In Defined Benefit Obligation And Fair Value Of Defined Benefit Plan Assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Defined Benefit Plan Disclosure [Line Items]
Remeasurement charge	$ 34
Fair value of plan assets, beginning	2,134
Fair value of plan assets, ending	2,236
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning	2,470	2,299
Service cost	71	71	58
Interest cost	130	120	119
Actuarial loss (gain)	569	(63)
Employee contributions	2	2
Remeasurement charge	30
Business combinations		36
Benefits paid	(102)	(90)
Plan amendments	2	(9)
Foreign currency effects	(77)	104
Benefit obligation, ending	3,095	2,470	2,299
Fair value of plan assets, beginning	2,134	1,721
Actual return on plan assets	140	283
Employer contributions	123	116
Business combinations		22
Foreign currency effects	(61)	80
Fair value of plan assets, ending	2,236	2,134	1,721
Funded status	(859)	(336)
Prepaid benefit cost	25	51
Accrued benefit liability - current	(14)	(16)
Accrued benefit liability - long-term	(870)	(371)
Net amount recognized in the balance sheet	(859)	(336)
Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Benefit obligation, beginning	229	224
Service cost	7	8	9
Interest cost	12	13	16
Actuarial loss (gain)	74	(32)
Remeasurement charge	4
Business combinations		22
Benefits paid	(8)	(6)
Plan amendments	(13)
Benefit obligation, ending	305	229	224
Employer contributions	8	6
Funded status	(305)	(229)
Accrued benefit liability - current	(11)	(8)
Accrued benefit liability - long-term	(294)	(221)
Net amount recognized in the balance sheet	$ (305)	$ (229)