DERIVATIVE FINANCIAL INSTRUMENTS - Derivative Instruments Included in the Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Jun. 30, 2020	Jun. 30, 2019
Derivatives, Fair Value
Derivative Asset, Total	$ 102	$ 30
Derivative Liability, Total	83	32
Derivatives Designated as Hedging Instruments
Derivatives, Fair Value
Derivative Asset, Total	62	26
Derivative Liability, Total	68	30
Derivatives Designated as Hedging Instruments \| Prepaid expenses and other current assets \| Net investment hedges
Derivatives, Fair Value
Derivative asset, fair value	21	0
Derivatives Designated as Hedging Instruments \| Other accrued liabilities \| Net investment hedges
Derivatives, Fair Value
Derivative liability, fair value	62	0
Derivatives Designated as Hedging Instruments \| Foreign currency cash flow hedges \| Prepaid expenses and other current assets
Derivatives, Fair Value
Derivative asset, fair value	26	23
Derivatives Designated as Hedging Instruments \| Foreign currency cash flow hedges \| Other accrued liabilities
Derivatives, Fair Value
Derivative liability, fair value	3	4
Derivatives Designated as Hedging Instruments \| Interest rate-related derivatives \| Prepaid expenses and other current assets
Derivatives, Fair Value
Derivative asset, fair value	15	3
Derivatives Designated as Hedging Instruments \| Interest rate-related derivatives \| Other accrued liabilities
Derivatives, Fair Value
Derivative liability, fair value	3	26
Derivatives Not Designated as Hedging Instruments \| Foreign currency cash flow hedges \| Prepaid expenses and other current assets
Derivatives, Fair Value
Derivative asset, fair value	40	4
Derivatives Not Designated as Hedging Instruments \| Foreign currency cash flow hedges \| Other accrued liabilities
Derivatives, Fair Value
Derivative liability, fair value	$ 15	$ 2

Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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