FINANCIAL INSTRUMENTS - Fair Value of Derivatives (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivative [Line Items]
Gross Notional	$ 66,392	$ 76,425
All other assets
Derivative asset, statement of financial position	All other assets (Note 9)	All other assets (Note 9)
Gross derivatives	$ 1,341	$ 1,374
Netting and credit adjustments	(859)	(637)
Cash collateral adjustments	0	(54)
Net derivatives recognized in statement of financial position	482	684
Net accrued interest	0	10
Securities held as collateral	0	(2)
Net amount	$ 482	$ 691
All other liabilities
Derivative liability, statement of financial position	All other liabilities (Note 14)	All other liabilities (Note 14)
Gross derivatives	$ 1,451	$ 893
Netting and credit adjustments	(862)	(639)
Cash collateral adjustments	0	(42)
Net derivatives recognized in statement of financial position	589	212
Net accrued interest	(4)	5
Securities held as collateral	0	0
Net amount	585	217
Derivatives accounted for as hedges
Derivative [Line Items]
Gross Notional	8,484	9,285
All other assets
Gross derivatives	164	188
All other liabilities
Gross derivatives	312	126
Derivatives accounted for as hedges \| Currency exchange contracts
Derivative [Line Items]
Gross Notional	8,484	7,214
All other assets
Gross derivatives	164	114
All other liabilities
Gross derivatives	312	122
Derivatives accounted for as hedges \| Interest rate contracts
Derivative [Line Items]
Gross Notional		2,071
All other assets
Gross derivatives		75
All other liabilities
Gross derivatives		4
Derivatives not accounted for as hedges
Derivative [Line Items]
Gross Notional	57,907	67,140
All other assets
Gross derivatives	1,178	1,186
All other liabilities
Gross derivatives	1,139	767
Derivatives not accounted for as hedges \| Currency exchange contracts
Derivative [Line Items]
Gross Notional	56,950	64,097
All other assets
Gross derivatives	977	794
All other liabilities
Gross derivatives	1,118	756
Derivatives not accounted for as hedges \| Interest rate contracts
Derivative [Line Items]
Gross Notional	43	1,369
All other assets
Gross derivatives	0	5
All other liabilities
Gross derivatives	1	1
Derivatives not accounted for as hedges \| Other contracts
Derivative [Line Items]
Gross Notional	914	1,674
All other assets
Gross derivatives	200	387
All other liabilities
Gross derivatives	$ 20	$ 10

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