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PREMISES AND EQUIPMENT - Schedule of Premises and Equipment (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Total | $ 4,350 | $ 3,634
Less accumulated depreciation and amortization | 1,903 | 1,628
Premises and equipment, net | 2,447 | 2,006
Land |  |
Property, Plant and Equipment [Line Items] |  |
Total | 496 | 407
Premises and leasehold improvements |  |
Property, Plant and Equipment [Line Items] |  |
Total | $ 1,808 | 1,598
Premises and leasehold improvements | Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Useful Life (years) | 3 years |
Premises and leasehold improvements | Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Useful Life (years) | 30 years |
Furniture, equipment and software |  |
Property, Plant and Equipment [Line Items] |  |
Total | $ 2,046 | $ 1,629
Furniture, equipment and software | Minimum |  |
Property, Plant and Equipment [Line Items] |  |
Useful Life (years) | 2 years |
Furniture, equipment and software | Maximum |  |
Property, Plant and Equipment [Line Items] |  |
Useful Life (years) | 15 years |

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- Definition Amount, excluding lessor's underlying asset for which right to use has been conveyed to lessee under operating lease, of accumulated amortization, depreciation, depletion for physical asset used in normal conduct of business to create and distribute product and service. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Amount, after accumulated depreciation and excluding lessor's underlying asset for which right to use has been conveyed to lessee under operating lease, of physical asset used in normal conduct of business to create and distribute product and service. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-13 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Amount, before accumulated depreciation and excluding lessor's underlying asset for which right to use has been conveyed to lessee under operating lease, of physical asset used in normal conduct of business to create and distribute product and service. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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