GOODWILL AND OTHER INTANGIBLE ASSETS - IDENTIFIABLE INTANGIBLE ASSETS (Details) $ in Millions	Dec. 31, 2017 USD ($)
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 29,262
Accumulated Amortization	5,038
Intangible Assets with Indefinite Lives
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,831
Accumulated Amortization	0
Intangible Assets with Determinable Lives
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,431
Accumulated Amortization	$ 5,038