VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities (Details) - USD ($) $ in Millions		Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Lending to special purpose entities included in loans and leases	[1]	$ 137,142	$ 143,861
Other assets	[1]	13,941	13,359
LIHTC unfunded commitments included in other liabilities	[1]	4,870	4,746
Asset-backed investments included in HTM securities	[2]	8,599	9,184
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Lending to special purpose entities included in loans and leases		4,215	4,760
LIHTC unfunded commitments included in other liabilities		1,109	1,025
Asset-backed investments included in HTM securities		412	488
Variable Interest Entity, Not Primary Beneficiary | Low Income Housing Tax Credit Partnerships
Variable Interest Entity [Line Items]
Other assets		2,631	2,444
Variable Interest Entity, Not Primary Beneficiary | Renewable Energy Investments
Variable Interest Entity [Line Items]
Other assets		269	314
Variable Interest Entity, Not Primary Beneficiary | New Market Tax Credit Investments
Variable Interest Entity [Line Items]
Other assets		$ 2	$ 3

[1] Includes amounts in consolidated VIEs. See Note 11 for additional information.

[2] Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.