GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Intangibles by Segment (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Schedule of Intangible Assets [Line Items]
Other intangible assets	$ 11,528	$ 13,593
Electronics & Imaging
Schedule of Intangible Assets [Line Items]
Other intangible assets	1,686	1,833
Nutrition & Biosciences
Schedule of Intangible Assets [Line Items]
Other intangible assets	3,360	4,377
Transportation & Industrial
Schedule of Intangible Assets [Line Items]
Other intangible assets	3,429	3,590
Safety & Construction
Schedule of Intangible Assets [Line Items]
Other intangible assets	2,956	3,082
Non-core
Schedule of Intangible Assets [Line Items]
Other intangible assets	$ 97	$ 711