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 |