XML 109 R92.htm IDEA: XBRL DOCUMENT v3.10.0.1
EMPLOYEE BENEFIT PLANS (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Retirement Health Care Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Future amortization of gain (loss) $ 2    
Retirement Income Plans [Member] | Other Postretirement Benefits Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discretionary contributions 22 $ 31  
Accumulated benefit obligation $ 592 632 $ 596
Domestic Retirement Health Care Plans [Member] | Retirement Health Care Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Current assumed trend 6.25%    
Ultimate trend rate 4.50%    
Basis point increase (decrease) 0.10%    
Domestic Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Future amortization of gain (loss) $ (9)    
Domestic Plan [Member] | Retirement Income Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Discretionary contributions 21 31 31
Domestic Defined Contribution Plan [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Aggregate cost of the defined contribution plans 47 47 45
International Defined Contribution Plan [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Aggregate cost of the defined contribution plans $ 3 $ 3 $ 3