INCOME TAXES - Deferred Tax Assets by Jurisdiction (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets by Jurisdiction
Net deferred tax assets	$ 29,608	$ 27,672
U.S. federal
Deferred Tax Assets by Jurisdiction
Net operating losses (NOLs)	3,300	3,300
Foreign tax credits (FTCs)	1,200	1,900
General business credits (GBCs)	5,600	5,200
Future tax deductions and credits	12,000	10,100
Net deferred tax assets	22,100	20,500
Deferred tax liability to be reversed in carry forward period	2,900
State and Local
Deferred Tax Assets by Jurisdiction
Future tax deductions and credits	2,400	2,200
Net deferred tax assets	4,200	4,300
New York
Deferred Tax Assets by Jurisdiction
Net operating losses (NOLs)	1,700	1,900
Other state
Deferred Tax Assets by Jurisdiction
Net operating losses (NOLs)	100	200
Foreign
Deferred Tax Assets by Jurisdiction
Net operating losses (NOLs)	1,000	700
Future tax deductions and credits	2,300	2,200
Net deferred tax assets	$ 3,300	$ 2,900