PENSION, DEFERRED COMPENSATION AND POST-RETIREMENT BENEFIT PLANS - Benefit Obligation, Plan Assets and Amounts Recognized in Balance Sheet (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Change in plan assets:
Fair value of plan assets at beginning of year	$ 1,366
Fair value of plan assets at end of year	1,433	$ 1,366
Amounts recognized in the consolidated balance Sheets consist of:
Accumulated other comprehensive loss	234
Pension Plans | U.S.
Change in benefit obligation:
Benefit obligation at beginning of year	903	877
Service cost	37	37	$ 32
Interest cost	33	30	33
Actuarial loss (gain)	(26)	(1)
Benefits, expenses, taxes and premiums paid	(51)	(40)
Benefit obligation at end of year	896	903	877
Change in plan assets:
Fair value of plan assets at beginning of year	781	743
Actual return on plan assets	55	71
Employer contributions	53	7
Benefits, expenses, taxes and premium paid	(51)	(40)
Fair value of plan assets at end of year	838	781	743
Funded status	(58)	(122)
Amounts recognized in the consolidated balance Sheets consist of:
Other assets	71	12
Other accrued liabilities	(23)	(23)
Other noncurrent liabilities	(106)	(111)
Funded status	(58)	(122)
Accumulated other comprehensive loss	190	232
Net amount recognized	132	110
Pension Plans | International
Change in benefit obligation:
Benefit obligation at beginning of year	605	616
Service cost	30	28	25
Interest cost	13	11	15
Plan participant contributions	5	4
Actuarial loss (gain)	(22)	(26)
Foreign currency exchange rate impact	(2)	(2)
Benefits, expenses, taxes and premiums paid	(34)	(25)
Plan amendments	(5)
Settlements	(3)	(3)
Special termination benefits	1	2	1
Benefit obligation at end of year	588	605	616
Change in plan assets:
Fair value of plan assets at beginning of year	548	529
Actual return on plan assets	16	28
Foreign currency exchange rate impact	(2)	(9)
Employer contributions	31	24
Plan participant contributions	5	4
Settlements	(3)	(3)
Benefits, expenses, taxes and premium paid	(34)	(25)
Fair value of plan assets at end of year	561	548	529
Funded status	(27)	(57)
Amounts recognized in the consolidated balance Sheets consist of:
Other assets	110	88
Other accrued liabilities	(4)	(5)
Other noncurrent liabilities	(133)	(140)
Funded status	(27)	(57)
Accumulated other comprehensive loss	40	72
Net amount recognized	13	15
Other than Pension Plans Post-retirement
Change in benefit obligation:
Benefit obligation at beginning of year	183	191
Service cost	3	3	3
Interest cost	7	7	7
Plan participant contributions		1
Actuarial loss (gain)	(16)	(11)
Foreign currency exchange rate impact	(1)
Benefits, expenses, taxes and premiums paid	(6)	(8)
Benefit obligation at end of year	170	183	191
Change in plan assets:
Fair value of plan assets at beginning of year	37	33
Actual return on plan assets	2	4
Employer contributions	1	7
Plan participant contributions		1
Benefits, expenses, taxes and premium paid	(6)	(8)
Fair value of plan assets at end of year	34	37	$ 33
Funded status	(136)	(146)
Amounts recognized in the consolidated balance Sheets consist of:
Other noncurrent liabilities	(136)	(146)
Funded status	(136)	(146)
Accumulated other comprehensive loss	4	21
Net amount recognized	$ (132)	$ (125)