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Acquisition and Divestiture Activity (Fair Value and Unpaid Principal Balance of Loans Acquired) (Details) - BBVA USA Bancshares, Inc. $ in Millions | Jun. 01, 2021 USD ($)
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Business Acquisition [Line Items] |
Net loans | $ 61,439
Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 62,269
Fair Value |
Business Acquisition [Line Items] |
Net loans | 61,439
Total commercial | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 40,544
Total commercial | Fair Value |
Business Acquisition [Line Items] |
Net loans | 39,742
Total commercial | Commercial and industrial | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 29,864
Total commercial | Commercial and industrial | Fair Value |
Business Acquisition [Line Items] |
Net loans | 29,381
Total commercial | Commercial real estate | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 10,632
Total commercial | Commercial real estate | Fair Value |
Business Acquisition [Line Items] |
Net loans | 10,313
Total commercial | Equipment lease financing | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 48
Total commercial | Equipment lease financing | Fair Value |
Business Acquisition [Line Items] |
Net loans | 48
Total consumer | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 21,725
Total consumer | Fair Value |
Business Acquisition [Line Items] |
Net loans | 21,697
Total consumer | Residential real estate | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 12,871
Total consumer | Residential real estate | Fair Value |
Business Acquisition [Line Items] |
Net loans | 12,977
Total consumer | Home equity | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 2,430
Total consumer | Home equity | Fair Value |
Business Acquisition [Line Items] |
Net loans | 2,423
Total consumer | Automobile | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 3,916
Total consumer | Automobile | Fair Value |
Business Acquisition [Line Items] |
Net loans | 3,910
Total consumer | Credit card | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 820
Total consumer | Credit card | Fair Value |
Business Acquisition [Line Items] |
Net loans | 758
Total consumer | Other consumer | Carrying Amount |
Business Acquisition [Line Items] |
Net loans | 1,688
Total consumer | Other consumer | Fair Value |
Business Acquisition [Line Items] |
Net loans | $ 1,629

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