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VARIABLE INTEREST ENTITIES - Schedule of Variable Interest Entities (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Variable Interest Entity [Line Items] |  |  |
Lending to special purpose entities included in loans and leases |  | $ 154,679 | $ 126,405
Other assets |  | 13,089 | 8,746
LIHTC unfunded commitments included in other liabilities |  | 4,520 | 3,425
Asset-backed investments included in HTM securities | [1] | 9,834 | 2,242
Variable Interest Entity, Not Primary Beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Lending to special purpose entities included in loans and leases |  | 4,578 | 2,646
LIHTC unfunded commitments included in other liabilities |  | 1,046 | 927
Asset-backed investments included in HTM securities |  | 581 | 737
Variable Interest Entity, Not Primary Beneficiary | Low Income Housing Tax Credit Partnerships |  |  |
Variable Interest Entity [Line Items] |  |  |
Other assets |  | 2,230 | 1,978
Variable Interest Entity, Not Primary Beneficiary | Renewable Energy Investments |  |  |
Variable Interest Entity [Line Items] |  |  |
Other assets |  | $ 374 | $ 429
[1] | Includes only collateral pledged by the Company where counterparties have the right to sell or pledge the collateral.

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