CHARGES ASSOCIATED WITH RESTRUCTURING AND OTHER ACTIVITIES - Accrued Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended		5 Months Ended	6 Months Ended	9 Months Ended		14 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024	Dec. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025
Restructuring Reserve [Roll Forward]
Restructuring and other charges	$ 97	$ 18			$ 375	$ 26
Restructuring Program
Restructuring Reserve [Roll Forward]
Restructuring and other charges	95	$ 17	$ 115	$ 288		$ 17	$ 498
Restructuring Program | Restructuring Charges
Restructuring Reserve [Roll Forward]
Restructuring and other charges	81		92	256			429
Restructuring Charges | Restructuring Program
Restructuring Reserve [Roll Forward]
Beginning balance				88	88
Cash payments					(72)
Non-cash asset write-offs					(7)
Translation and other adjustments					(8)
Ending balance	338		88		338		338
Restructuring Charges | Restructuring Program | Restructuring Charges
Restructuring Reserve [Roll Forward]
Restructuring and other charges	81		92	256	337		429
Employee- Related Costs | Restructuring Program
Restructuring Reserve [Roll Forward]
Beginning balance				88	88
Cash payments					(70)
Non-cash asset write-offs					0
Translation and other adjustments					(8)
Ending balance	335		88		335		335
Employee- Related Costs | Restructuring Program | Restructuring Charges
Restructuring Reserve [Roll Forward]
Restructuring and other charges	78		90	247	325		415
Asset- Related Costs | Restructuring Program
Restructuring Reserve [Roll Forward]
Beginning balance				0	0
Cash payments					0
Non-cash asset write-offs					(7)
Translation and other adjustments					0
Ending balance	0		0		0		0
Asset- Related Costs | Restructuring Program | Restructuring Charges
Restructuring Reserve [Roll Forward]
Restructuring and other charges	0		2	7	7		9
Contract Terminations | Restructuring Program
Restructuring Reserve [Roll Forward]
Beginning balance				0	0
Cash payments					0
Non-cash asset write-offs					0
Translation and other adjustments					0
Ending balance	3		0		3		3
Contract Terminations | Restructuring Program | Restructuring Charges
Restructuring Reserve [Roll Forward]
Restructuring and other charges	3		0	0	3		3
Other Exit Costs | Restructuring Program
Restructuring Reserve [Roll Forward]
Beginning balance				0	0
Cash payments					(2)
Non-cash asset write-offs					0
Translation and other adjustments					0
Ending balance	0		0		0		0
Other Exit Costs | Restructuring Program | Restructuring Charges
Restructuring Reserve [Roll Forward]
Restructuring and other charges	$ 0		$ 0	$ 2	$ 2		$ 2