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GOODWILL AND OTHER INTANGIBLE ASSETS - ADDITIONAL INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Other Significant Noncash Transactions [Line Items]
Amortization of Intangible Assets	$ 78	$ 87	$ 241	$ 274
Goodwill	40,612		40,612			$ 39,901
Shave Care
Other Significant Noncash Transactions [Line Items]
Goodwill	12,700		12,700
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount					20.00%		20.00%
Intangible Assets with Indefinite Lives \| Gillette
Other Significant Noncash Transactions [Line Items]
Intangible Assets, Net (Including Goodwill)	$ 14,100		$ 14,100