SUPPLEMENTAL FINANCIAL INFORMATION - Other Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Cost incurred	$ 1,114	$ 659	$ 329
Corporate
Restructuring Cost and Reserve [Line Items]
Cost incurred	945	371	161
Beauty | Operating Segments
Restructuring Cost and Reserve [Line Items]
Cost incurred	43	43	15
Grooming | Operating Segments
Restructuring Cost and Reserve [Line Items]
Cost incurred	32	76	17
Health Care | Operating Segments
Restructuring Cost and Reserve [Line Items]
Cost incurred	30	33	28
Fabric & Home Care | Operating Segments
Restructuring Cost and Reserve [Line Items]
Cost incurred	24	84	87
Baby, Feminine & Family Care | Operating Segments
Restructuring Cost and Reserve [Line Items]
Cost incurred	$ 40	$ 50	$ 21