PENSION, DEFERRED COMPENSATION AND POST-RETIREMENT BENEFIT PLANS - Expected Cash Flows for the Company's Pension and Post-Retirement Plans (Details) $ in Millions	Jun. 30, 2021 USD ($)
Pension Plans \| U.S.
Expected cash flows for the Company's pension and post-retirement plans
Expected employer contributions for year ending June 30, 2022	$ 0
Expected benefit payments for year ending June 30, 2022	70
Expected benefit payments for year ending June 30, 2023	52
Expected benefit payments for year ending June 30, 2024	51
Expected benefit payments for year ending June 30, 2025	52
Expected benefit payments for year ending June 30, 2026	52
Expected benefit payments for year ending June 30, Years 2027-2031	292
Pension Plans \| International
Expected cash flows for the Company's pension and post-retirement plans
Expected employer contributions for year ending June 30, 2022	29
Expected benefit payments for year ending June 30, 2022	38
Expected benefit payments for year ending June 30, 2023	37
Expected benefit payments for year ending June 30, 2024	35
Expected benefit payments for year ending June 30, 2025	36
Expected benefit payments for year ending June 30, 2026	36
Expected benefit payments for year ending June 30, Years 2027-2031	172
Other than Pension Plans
Expected cash flows for the Company's pension and post-retirement plans
Expected employer contributions for year ending June 30, 2022	0
Expected benefit payments for year ending June 30, 2022	9
Expected benefit payments for year ending June 30, 2023	9
Expected benefit payments for year ending June 30, 2024	10
Expected benefit payments for year ending June 30, 2025	11
Expected benefit payments for year ending June 30, 2026	11
Expected benefit payments for year ending June 30, Years 2027-2031	$ 63

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Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.

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Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.

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Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921

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