FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Schedule of Financial Instruments Measured at Fair Value) (Details) - USD ($) $ in Millions	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	$ 871	$ 111
Total assets	6,213	5,116	$ 5,060	$ 4,573	$ 4,510
Notes and loans payable	0	396
Current maturities of long-term debt and Long-term debt	2,780	2,287
Total liabilities	5,305	4,557
Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	1	0
Derivative liabilities	5	2
Total assets	849	129
Total liabilities	2,780	2,683
Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	1	0
Derivative liabilities	5	2
Total assets in the fair value hierarchy	849	129
Total liabilities	3,051	2,798
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 Basis [Line Items]
Cash and cash equivalents	584	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 Basis [Line Items]
Cash and cash equivalents	584	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 Basis [Line Items]
Cash and cash equivalents	165	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 Basis [Line Items]
Cash and cash equivalents	165	7
Other Assets [Member] | Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | Trust Assets for nonqualified deferred compensation plans [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Trust assets for nonqualified deferred compensation plans	100	96
Other Assets [Member] | Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member] | Trust Assets for nonqualified deferred compensation plans [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Trust assets for nonqualified deferred compensation plans	100	96
Other Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Interest Rate Forward Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	1	0
Other Assets [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | Interest Rate Forward Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	1	0
Notes Payable, Other Payables [Member] | Notes And Loans Payable [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Notes and loans payable	0	396
Notes Payable, Other Payables [Member] | Notes And Loans Payable [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Notes and loans payable	0	396
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 Basis [Line Items]
Derivative liabilities	1	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 Basis [Line Items]
Derivative liabilities	1	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 Basis [Line Items]
Derivative liabilities	3	1
Accounts Payable and Accrued Liabilities [Member] | Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member] | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liabilities	1	0
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 Basis [Line Items]
Derivative liabilities	3	1
Accounts Payable and Accrued Liabilities [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 Basis [Line Items]
Derivative liabilities	1	0
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 Basis [Line Items]
Current maturities of long-term debt and Long-term debt	2,780	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 Basis [Line Items]
Current maturities of long-term debt and Long-term debt	$ 3,051	$ 2,402