FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Schedule of Assets and Liabilities for Fair Values of Derivative Instruments) (Details) - USD ($) $ in Millions	Mar. 31, 2022	Jun. 30, 2021
Carrying Amount
Assets
Derivative assets	$ 71	$ 33
Estimated Fair Value
Assets
Derivative assets	71	33
Prepaid expenses and other current assets | Commodity purchase derivative contracts | Fair Value, Inputs, Level 1 | Carrying Amount
Assets
Derivative assets	1	5
Prepaid expenses and other current assets | Commodity purchase derivative contracts | Fair Value, Inputs, Level 1 | Estimated Fair Value
Assets
Derivative assets	1	5
Prepaid expenses and other current assets | Commodity purchase derivative contracts | Fair Value, Inputs, Level 2 | Carrying Amount
Assets
Derivative assets	6	4
Prepaid expenses and other current assets | Commodity purchase derivative contracts | Fair Value, Inputs, Level 2 | Estimated Fair Value
Assets
Derivative assets	6	4
Prepaid expenses and other current assets | Interest rate contracts | Fair Value, Inputs, Level 2 | Carrying Amount
Assets
Derivative assets	63	24
Prepaid expenses and other current assets | Interest rate contracts | Fair Value, Inputs, Level 2 | Estimated Fair Value
Assets
Derivative assets	63	24
Other assets | Commodity purchase derivative contracts | Fair Value, Inputs, Level 2 | Carrying Amount
Assets
Derivative assets	1	0
Other assets | Commodity purchase derivative contracts | Fair Value, Inputs, Level 2 | Estimated Fair Value
Assets
Derivative assets	$ 1	$ 0