GOODWILL AND INTANGIBLE ASSETS - Goodwill Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill:
Goodwill impairment	$ 535	$ 535	$ 0	$ 0
Goodwill		19,691	21,299	22,162	$ 22,126
Legacy Franchises
Goodwill:
Goodwill impairment	$ 535	535
Goodwill		964	2,367	2,659	2,629
Institutional Clients Group
Goodwill:
Goodwill impairment		0
Goodwill		$ 8,986	$ 9,215	$ 9,481	$ 9,482