INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Reconciliation of the beginning and ending amount of gross unrecognized tax benefits [Roll Forward]
Beginning of the year balance of gross unrecognized tax benefits	$ 67	$ 60
Gross amounts of increases as a result of tax positions taken during a prior period	11	12
Gross amounts of decreases as a result of tax positions taken during a prior period	(9)	(6)
Gross amounts of increases as a result of tax positions taken during the current period	7	9
Amounts of decreases in unrecognized tax benefits relating to settlements with taxing authorities	(4)	(7)
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statutes of limitations	(2)	(1)
End of year balance of gross unrecognized tax benefits	$ 70	$ 67

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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