GOODWILL AND INTANGIBLE ASSETS - ADDITIONAL INFORMATION (Details) $ in Millions	3 Months Ended						12 Months Ended
	Dec. 31, 2024 USD ($) year	Sep. 30, 2024 USD ($) reporting_unit	Mar. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Goodwill [Line Items]
Intangible asset impairment							$ 241	$ 16	$ 100
Number of reporting units | reporting_unit		2
Goodwill impairment							773	291	1,187
Other intangible assets from the Byte business	$ 3,103						3,103	3,520
Goodwill	1,597						1,597	2,438
Total indefinite-lived	337						337	452
Amortization of intangible assets							216	211	209
2025	204						204
2026	132						132
2027	114						114
2028	119						119
2029	120						120
Byte Aligner Systems | Selling General And Administrative Expenses, Intangible Asset Impairment , Trade Name
Goodwill [Line Items]
Charges related to the Byte Realignment	(152)
Developed technology
Goodwill [Line Items]
Payments to acquire intangible assets	7					$ 3
Asset acquisition, contingent consideration, liability	$ 10						10
Measurement Input, Discount Rate | Minimum
Goodwill [Line Items]
Discount rate	0.125
Measurement Input, Discount Rate | Maximum
Goodwill [Line Items]
Discount rate	0.145
Orthodontic Aligner Solutions Reporting Unit
Goodwill [Line Items]
Goodwill impairment		$ 145
Orthodontic Aligner Solutions Reporting Unit | Measurement Input, Perpetual Growth Rate
Goodwill [Line Items]
Goodwill, measurement input | year	10
Orthodontic Aligner Solutions Reporting Unit | Measurement Input, Discount Rate
Goodwill [Line Items]
Goodwill, measurement input	12.5
Implants & Prosthetics Reporting Unit
Goodwill [Line Items]
Goodwill impairment	$ 269	$ 359
Goodwill	503						503
Total indefinite-lived	$ 76						76
Implants & Prosthetics Reporting Unit | Measurement Input, Perpetual Growth Rate
Goodwill [Line Items]
Goodwill, measurement input | year	10
Implants & Prosthetics Reporting Unit | Measurement Input, Discount Rate
Goodwill [Line Items]
Goodwill, measurement input	12.5
Connected Technology Solutions
Goodwill [Line Items]
Total indefinite-lived	$ 149						149
Unimpaired Reporting Unit
Goodwill [Line Items]
Goodwill impairment, sensitivity analysis, hypothetical increase in discount rate	0.0050
Digital Dental Group
Goodwill [Line Items]
Intangible asset impairment									66
Goodwill impairment					$ 1,100
Equipment & Instruments
Goodwill [Line Items]
Intangible asset impairment									28
Goodwill impairment					$ 87
Consumables Segment
Goodwill [Line Items]
Intangible asset impairment									$ 6
Connected Technology Solutions
Goodwill [Line Items]
Intangible asset impairment	$ 82			$ 14
Goodwill impairment				291			0
Goodwill	0						0	0
Orthodontic and Implant Solutions
Goodwill [Line Items]
Intangible asset impairment	1			$ 2
Goodwill impairment							773
Goodwill	503						503	$ 1,323
Orthodontic and Implant Solutions | Byte Aligner Systems
Goodwill [Line Items]
Other intangible assets from the Byte business	$ 178						$ 178
Trade Names | Connected Technology Solutions
Goodwill [Line Items]
Intangible asset impairment			$ 6