FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Schedule of Financial Instruments Measured at Fair Value) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Prepaid expenses and other current assets	$ 154	$ 47
Cash and cash equivalents	319	871
Total assets	6,334	6,213	$ 5,116	$ 5,060	$ 4,573
Notes and loans payable	0	0
Current maturities of long-term debt and Long-term debt	2,784	2,780
Total liabilities	5,742	5,305
Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	33	1
Derivative liabilities	0	5
Total assets	343	849
Total liabilities	2,784	2,780
Estimated Fair Value
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	33	1
Derivative liabilities	0	5
Total assets in the fair value hierarchy	343	849
Total liabilities	2,963	3,051
Cash and cash equivalents | Fair Value, Inputs, Level 1 | Carrying Amount | Interest-bearing investments, including money market funds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	196	584
Cash and cash equivalents | Fair Value, Inputs, Level 1 | Estimated Fair Value | Interest-bearing investments, including money market funds
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	196	584
Cash and cash equivalents | Fair Value, Inputs, Level 2 | Carrying Amount | Time deposits
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	11	165
Cash and cash equivalents | Fair Value, Inputs, Level 2 | Estimated Fair Value | Time deposits
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Cash and cash equivalents	11	165
Other assets | Fair Value, Inputs, Level 1 | Carrying Amount | Trust assets for nonqualified deferred compensation plans
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Trust assets for nonqualified deferred compensation plans	136	100
Other assets | Fair Value, Inputs, Level 1 | Estimated Fair Value | Trust assets for nonqualified deferred compensation plans
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Trust assets for nonqualified deferred compensation plans	136	100
Other assets | Fair Value, Inputs, Level 2 | Carrying Amount | Interest rate derivative contracts
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	24	1
Other assets | Fair Value, Inputs, Level 2 | Estimated Fair Value | Interest rate derivative contracts
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative assets	24	1
Notes and loans payable | Notes and loans payable | Fair Value, Inputs, Level 2 | Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Notes and loans payable	0	0
Notes and loans payable | Notes and loans payable | Fair Value, Inputs, Level 2 | Estimated Fair Value
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Notes and loans payable	0	0
Accounts payable and accrued liabilities | Fair Value, Inputs, Level 1 | Carrying Amount | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liabilities	0	1
Accounts payable and accrued liabilities | Fair Value, Inputs, Level 1 | Estimated Fair Value | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liabilities	0	1
Accounts payable and accrued liabilities | Fair Value, Inputs, Level 2 | Carrying Amount | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liabilities	0	3
Accounts payable and accrued liabilities | Fair Value, Inputs, Level 2 | Carrying Amount | Foreign exchange derivative contracts
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liabilities	0	1
Accounts payable and accrued liabilities | Fair Value, Inputs, Level 2 | Estimated Fair Value | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liabilities	0	3
Accounts payable and accrued liabilities | Fair Value, Inputs, Level 2 | Estimated Fair Value | Foreign exchange derivative contracts
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Derivative liabilities	0	1
Current maturities of long term debt and Long-term debt | Fair Value, Inputs, Level 2 | Carrying Amount | Current maturities of long-term debt and Long-term debt
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Current maturities of long-term debt and Long-term debt	2,784	2,780
Current maturities of long term debt and Long-term debt | Fair Value, Inputs, Level 2 | Estimated Fair Value | Current maturities of long-term debt and Long-term debt
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Current maturities of long-term debt and Long-term debt	2,963	3,051
Prepaid Expenses and Other Current Assets | Fair Value, Inputs, Level 1 | Carrying Amount | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Prepaid expenses and other current assets	5	0
Prepaid Expenses and Other Current Assets | Fair Value, Inputs, Level 1 | Estimated Fair Value | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Prepaid expenses and other current assets	5	0
Prepaid Expenses and Other Current Assets | Fair Value, Inputs, Level 2 | Carrying Amount | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Prepaid expenses and other current assets	4	0
Prepaid Expenses and Other Current Assets | Fair Value, Inputs, Level 2 | Estimated Fair Value | Commodity purchase contract
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Prepaid expenses and other current assets	$ 4	$ 0