DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of Cash Flow Hedging on Income Statement (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Interest Income - Loans and Leases	$ 1,117,000,000	$ 886,000,000	$ 990,000,000
Interest Expense - Short-Term Borrowings	25,000,000	27,000,000	38,000,000
Interest rate contracts
Derivative [Line Items]
Amount of gain (loss) reclassified from AOCI into net income	0	0
Interest rate contracts | Interest Income - Loans and Leases
Derivative [Line Items]
Amount of gain (loss) reclassified from AOCI into net income	(8,000,000)	2,000,000	(7,000,000)
Amount of gain (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	0	0	0
Interest rate contracts | Interest Expense - Short-Term Borrowings
Derivative [Line Items]
Amount of gain (loss) reclassified from AOCI into net income	(3,000,000)	(20,000,000)	(16,000,000)
Amount of gain (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	$ 0	$ 0	0
Interest rate contracts | Interest income - other non-interest income
Derivative [Line Items]
Amount of gain (loss) reclassified from AOCI into net income			$ 8,900,000