INCOME TAXES - Tax Credit Carryforward and Expiration Dates (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating Loss and Tax Carryforwards
Net DFA	$ 29,845	$ 29,608
U.S. Federal and New York State and City NOL carryforward period	20 years
U.S. foreign tax credit carryforward period (in years)	10 years
Limit on utilization of foreign tax credit carryforwards (as percent)	21.00%
Domestic losses allowed to be reclassified as foreign source income	$ 9,000
Foreign
Operating Loss and Tax Carryforwards
Operating loss carryforward	1,100	1,400
Net DFA	3,200	3,300
U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	5,800	5,600
Operating loss carryforward	16,200	15,900
FTC
Operating Loss and Tax Carryforwards
Net DFA	22,600	22,100
Foreign tax credits (FTCs)	700	1,200
Gross foreign tax credits	4,000	3,100
2027 | U.S. federal
Operating Loss and Tax Carryforwards
Operating loss carryforward	100	100
2028 | U.S. federal
Operating Loss and Tax Carryforwards
Operating loss carryforward	100	100
2030 | U.S. federal
Operating Loss and Tax Carryforwards
Operating loss carryforward	300	300
2032 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	400	400
2033 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	300	300
Operating loss carryforward	1,600	1,700
2034 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	200	200
Operating loss carryforward	1,900	1,900
2034 | New York State
Operating Loss and Tax Carryforwards
Operating loss carryforward	8,100	9,900
2034 | New York City
Operating Loss and Tax Carryforwards
Operating loss carryforward	7,200	8,700
2035 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	200	200
Operating loss carryforward	3,300	3,300
2036 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	200	200
Operating loss carryforward	2,100	2,100
2037 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	500	500
Operating loss carryforward	1,000	1,000
2038 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	500	500
2039 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	700	700
2040 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	700	700
2041 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	800	800
2042 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	700	700
2043 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	300	400
2044 | U.S. federal
Operating Loss and Tax Carryforwards
Tax credit carryforward	300	0
Unlimited carry-forward period | U.S. federal
Operating Loss and Tax Carryforwards
Operating loss carryforward	$ 5,800	5,400
Minimum
Operating Loss and Tax Carryforwards
Limit on domestic losses to be reclassified as foreign source income (as a percent)	50.00%
Maximum
Operating Loss and Tax Carryforwards
Limit on domestic losses to be reclassified as foreign source income (as a percent)	100.00%
General Basket | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	$ 700	1,200
General Basket | 2025 | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	0	100
General Basket | 2027 | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	700	1,100
Branch Basket | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	3,300	1,900
Branch Basket | 2028 | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	700	700
Branch Basket | 2029 | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	200	200
Branch Basket | 2033 | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	1,400	1,000
Branch Basket | 2034 | Foreign
Operating Loss and Tax Carryforwards
Tax credit carryforward	$ 1,000	$ 0