FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Schedule of Assets and Liabilities for Fair Value Disclosure) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jun. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 168	$ 111
Total assets	5,459	5,116
Notes and loans payable	507	396
Total liabilities	4,904	4,557
Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	2	0
Derivative liabilities	1	2
Total assets	164	129
Total liabilities	2,795	2,683
Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	2	0
Derivative liabilities	1	2
Total other assets in the fair value hierarchy	164	129
Total other liabilities in the fair value hierarchy	2,932	2,798
Prepaid Expenses and Other Current Assets [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 assets	2	0
Prepaid Expenses and Other Current Assets [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 assets	2	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	1	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	1	1
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Investments, including money market funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	49	26
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Investments, including money market funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	49	26
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Time deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	9	7
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Time deposits [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	9	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	507	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	507	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	2,288	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	2,425	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	106	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	$ 106	$ 96