GOODWILL AND INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Mar. 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Jul. 01, 2021
Goodwill [Line Items]
Goodwill impairment	$ 535	$ 535	$ 0
Goodwill	19,865	19,597		$ 21,299
Legacy Franchises
Goodwill [Line Items]
Goodwill impairment	535
Goodwill	959	934		2,367
Institutional Clients Group
Goodwill [Line Items]
Goodwill impairment	0
Goodwill	$ 9,171	$ 8,948		$ 9,215
Institutional Clients Group | Operating Segments
Goodwill [Line Items]
Percentage fair value exceeds carrying value		102.00%
Goodwill		$ 1,500
Minimum
Goodwill [Line Items]
Percentage fair value exceeds carrying value					102.00%
Maximum
Goodwill [Line Items]
Percentage fair value exceeds carrying value					267.00%