GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Other Intangible Assets, Net (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Intangible Asset Excluding Goodwill [Line Items]
Accumulated amortization	$ (1,475)			$ (1,370)
Gross other intangible assets	2,946			2,780
Other intangible assets, net	1,471	$ 1,363	$ 1,440	1,410	$ 1,400	$ 1,424	$ 1,505
Indefinite-lived intangible assets
Intangible Asset Excluding Goodwill [Line Items]
Gross other intangible assets, indefinite-lived intangible assets	173			188
Developed technology, including patents
Intangible Asset Excluding Goodwill [Line Items]
Gross other intangible assets, developed technology including patents	2,309			2,135
Accumulated amortization	(1,190)			(1,117)
Other intangible assets, net	1,119			1,018
Other amortized intangible assets
Intangible Asset Excluding Goodwill [Line Items]
Gross other intangible assets, developed technology including patents	464			457
Accumulated amortization	(285)			(253)
Other intangible assets, net	$ 179			$ 204