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POSTRETIREMENT BENEFITS AND EMPLOYEE STOCK OWNERSHIP PLAN - RECONCILIATION OF BENEFIT OBLIGATIONS AND PLAN ASSETS (DETAILS) (USD $)
In Millions
12 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Pension Benefits
     
CHANGE IN BENEFIT OBLIGATION      
Benefit obligation at beginning of year $ 11,245 [1],[2] $ 10,016 [1],[2]  
Service cost 270 [2] 218 [2] 214
Interest cost 588 [2] 579 [2] 551
Participants' contributions 21 [2] 19 [2]  
Amendments 93 [2] 66 [2]  
Actuarial loss (633) [2] 1,738 [2]  
Acquisitions (divestitures) 0 [2] (13) [2]  
Curtailments and settlements 0 [2] 4 [2]  
Special termination benefits 0 [2] 0 [2]  
Currency translation and other 1,137 [2] (798) [2]  
Benefit payments (492) [2] (584) [2]  
BENEFIT OBLIGATION AT END OF YEAR 12,229 [1],[2] 11,245 [1],[2] 10,016 [1],[2]
CHANGE IN PLAN ASSETS      
Fair value of plan assets at beginning of year 6,562 [2] 6,310 [2]  
Actual return on plan assets 685 [2] 839 [2]  
Acquisitions (divestitures) 0 [2] (6) [2]  
Employer contributions 555 [2] 439 [2]  
Participants' contributions 21 [2] 19 [2]  
Currency translation and other 631 [2] (455) [2]  
ESOP debt impacts 0 [2],[3] 0 [2],[3]  
Benefit payments (492) [2] (584) [2]  
FAIR VALUE OF PLAN ASSETS AT END OF YEAR 7,962 [2] 6,562 [2] 6,310 [2]
FUNDED STATUS (4,267) [2] (4,683) [2]  
Other Retiree Benefits
     
CHANGE IN BENEFIT OBLIGATION      
Benefit obligation at beginning of year 4,778 [1],[4] 3,928 [1],[4]  
Service cost 146 [4] 103 [4] 91
Interest cost 270 [4] 253 [4] 243
Participants' contributions 67 [4] 58 [4]  
Amendments 7 [4] 0 [4]  
Actuarial loss (235) [4] 633 [4]  
Acquisitions (divestitures) 0 [4] 0 [4]  
Curtailments and settlements 0 [4] 0 [4]  
Special termination benefits 3 [4] 14 [4]  
Currency translation and other 89 [4] 30 [4]  
Benefit payments (239) [4] (241) [4]  
BENEFIT OBLIGATION AT END OF YEAR 4,886 [1],[4] 4,778 [1],[4] 3,928 [1],[4]
CHANGE IN PLAN ASSETS      
Fair value of plan assets at beginning of year 2,843 [4] 2,394 [4]  
Actual return on plan assets 253 [4] 596 [4]  
Acquisitions (divestitures) 0 [4] 0 [4]  
Employer contributions 29 [4] 22 [4]  
Participants' contributions 67 [4] 58 [4]  
Currency translation and other 2 [4] 0 [4]  
ESOP debt impacts 20 [3],[4] 14 [3],[4]  
Benefit payments (239) [4] (241) [4]  
FAIR VALUE OF PLAN ASSETS AT END OF YEAR 2,975 [4] 2,843 [4] 2,394 [4]
FUNDED STATUS $ (1,911) [4] $ (1,935) [4]  
[1] For the pension benefit plans, the benefit obligation is the projected benefit obligation. For other retiree benefit plans, the benefit obligation is the accumulated postretirement benefit obligation.
[2] Primarily non-U.S.-based defined benefit retirement plans.
[3] Represents the net impact of ESOP debt service requirements, which is netted against plan assets for other retiree benefits. 
[4] Primarily U.S.-based other postretirement benefit plans.