CHARGES ASSOCIATED WITH RESTRUCTURING AND OTHER ACTIVITIES - Narrative (Details) $ in Millions			1 Months Ended	5 Months Ended	12 Months Ended								24 Months Ended	25 Months Ended	58 Months Ended	60 Months Ended
	Feb. 05, 2024 USD ($) position	Aug. 20, 2020	Aug. 13, 2025 USD ($)	Jun. 30, 2025 USD ($) position	Jun. 30, 2028 USD ($)	Jun. 30, 2027 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($) position	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2025 USD ($) position	Aug. 13, 2025 USD ($)	Jun. 30, 2025 USD ($) position	Jun. 30, 2025 USD ($) position
Restructuring and Other Costs
Restructuring and other charges								$ 481	$ 122	$ 55
Restructuring Program
Restructuring and Other Costs
Restructuring program, period	2 years
Restructuring charges approved								493	187				$ 680
Restructuring and other charges								495	115				610
Restructuring Program | Subsequent Event
Restructuring and Other Costs
Restructuring charges approved			$ 67											$ 747
Restructuring Program | Forecast
Restructuring and Other Costs
Accrued restructuring charges expected to result in cash expenditures funded from cash provided by operations					$ 11	$ 86	$ 274
Restructuring Program | Restructuring Charges
Restructuring and Other Costs
Restructuring charges approved								443	109				552
Restructuring and other charges								432	92				524
Restructuring Program | Restructuring Charges | Subsequent Event
Restructuring and Other Costs
Restructuring charges approved			$ 31											$ 583
Restructuring Program | Minimum
Restructuring and Other Costs
Net reduction in global positions, expected | position	1,800			5,800
Net reduction of current workforce (as a percent)	3.00%			9.00%
Restructuring and related costs, expected costs	$ 500			$ 1,200				1,200					1,200		$ 1,200	$ 1,200
Restructuring Program | Maximum
Restructuring and Other Costs
Net reduction in global positions, expected | position	3,000			7,000
Net reduction of current workforce (as a percent)	5.00%			11.00%
Restructuring and related costs, expected costs	$ 700			$ 1,600				1,600					$ 1,600		1,600	1,600
PCBA
Restructuring and Other Costs
Restructuring program, period		2 years
Restructuring and other charges								$ (9)	10	77	$ 127	$ 221			$ 426	$ 426
Positions eliminated for duration of program | position				2,800				2,800					2,800		2,800	2,800
Percentage of freestanding stores closed				16.00%				16.00%					16.00%		16.00%	16.00%
PCBA | Forecast
Restructuring and Other Costs
Accrued restructuring charges expected to result in cash expenditures funded from cash provided by operations						$ 1	$ 4
PCBA | Restructuring Charges
Restructuring and Other Costs
Restructuring and other charges								$ (6)	$ 1	$ 35	$ 109	$ 201				$ 340