FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Schedule of Assets and Liabilities for Fair Value Disclosure) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jun. 30, 2019	Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 150	$ 111
Total assets	5,397	5,116
Notes and loans payable	449	396
Total liabilities	4,847	4,557
Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1	0
Derivative liabilities	2	2
Total assets	161		$ 129
Total liabilities	2,736		2,683
Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1	0
Derivative liabilities	2	2
Total other assets in the fair value hierarchy	161		129
Total other liabilities in the fair value hierarchy	2,878		2,798
Prepaid Expenses and Other Current Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1	0
Prepaid Expenses and Other Current Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1	0
Accounts Payable and Accrued Liabilities [Member] | Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Commodity Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0	1
Accounts Payable and Accrued Liabilities [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Commodity Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	0	1
Accounts Payable and Accrued Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Commodity Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	2	1
Accounts Payable and Accrued Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Commodity Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative liabilities	2	$ 1
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	43		26
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	43		26
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	18		7
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Bank Time Deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	18		7
Notes and Loans Payable [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Notes and loans payable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes and loans payable	449		396
Notes and Loans Payable [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Notes and loans payable [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes and loans payable	449		396
Current maturities of long-term debt and Long-term debt [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Long-term Debt [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current maturities of long-term debt and Long-term debt	2,287		2,287
Current maturities of long-term debt and Long-term debt [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Long-term Debt [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current maturities of long-term debt and Long-term debt	2,429		2,402
Trust Assets for nonqualified deferred compensation plans [Member] | Other Assets [Member] | Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trust assets for nonqualified deferred compensation plans	100		96
Trust Assets for nonqualified deferred compensation plans [Member] | Other Assets [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trust assets for nonqualified deferred compensation plans	$ 100		$ 96