Reclassifications out of Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015		Mar. 31, 2014
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax					$ (938)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	780		(12)		1,553		(322)
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax					(1)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	28		(1)		26		(2)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax					(231)
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	354		60		855		24
Reclassifications out of Accumulated Other Comprehensive Income					(74)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	2	[1]	2	[1]	5	[1]	5	[1]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	8	[1]	(11)	[1]	136	[1]	45	[1]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax	10	[1]	(9)	[1]	141	[1]	50	[1]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	0	[1]	(1)	[1]	(2)	[1]	(2)	[1]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	10	[1]	(10)	[1]	139	[1]	48	[1]
Securities Investment [Member]
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax	0	[2]	2	[2]	3	[2]	18	[2]
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	0	[2]	(1)	[2]	(1)	[2]	(7)	[2]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	0	[2]	1	[2]	2	[2]	11	[2]
Pension Plan [Member]
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(1)	[3]	(1)	[3]	(6)	[3]	(4)	[3]
Defined Benefit Plan, Actuarial Gain (Loss)	(94)	[3]	(83)	[3]	(291)	[3]	(248)	[3]
Defined Benefit Plan, Future Amortization of Gain (Loss)	(95)	[3]	(84)	[3]	(297)	[3]	(252)	[3]
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax	26	[3]	24	[3]	82	[3]	70	[3]
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(69)	[3]	(60)	[3]	(215)	[3]	(182)	[3]
Reclassification out of AOCI - Components [Domain]
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications out of Accumulated Other Comprehensive Income	$ (59)		$ (69)		$ (74)		$ (123)

[1] See Note 6 for classification of these items in the Consolidated Statement of Earnings.

[2] Reclassified from AOCI into Other non-operating income, net.

[3] Reclassified from AOCI into Cost of products sold and SG&A. These components are included in net periodic pension cost.