VARIABLE INTEREST ENTITIES - Schedule of Unconsolidated Variable Interest Entities (Details) - USD ($) $ in Millions		Mar. 31, 2025	Dec. 31, 2024
Variable Interest Entity
Lending to special purpose entities included in loans and leases	[1]	$ 135,621	$ 137,142
Investments included in other assets	[1]	13,479	13,941
LIHTC unfunded commitments included in other liabilities	[1]	4,509	4,870
Asset-backed investments included in HTM securities	[2]	8,469	8,599
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity
Lending to special purpose entities included in loans and leases		4,221	4,215
LIHTC unfunded commitments included in other liabilities		1,142	1,109
Asset-backed investments included in HTM securities		392	412
Variable Interest Entity, Not Primary Beneficiary | Low Income Housing Tax Credit Partnerships
Variable Interest Entity
Investments included in other assets		2,685	2,631
Variable Interest Entity, Not Primary Beneficiary | Renewable Energy
Variable Interest Entity
Investments included in other assets		256	269
Variable Interest Entity, Not Primary Beneficiary | New Market Tax Credit Investments
Variable Interest Entity
Investments included in other assets		$ 2	$ 2

[1] Includes amounts in consolidated VIEs. See Note 6 for additional information.

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