GOODWILL AND OTHER INTANGIBLE ASSETS - IDENTIFIABLE INTANGIBLE ASSETS (Details) $ in Millions	Dec. 31, 2019 USD ($)
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 29,536
Accumulated Amortization	(5,556)
Intangible Assets with Indefinite Lives
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,027
Accumulated Amortization	0
Intangible Assets with Determinable Lives
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,509
Accumulated Amortization	$ (5,556)