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v3.26.1

Borrowings - Long Term Debt, Interest Rates and Maturity Dates (Details) - USD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
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Debt Instruments [Line Items] |  |
Total long-term debt | $ 42,976 | $ 41,963
Truist Financial Corporation: | Senior notes | Fixed rate |  |
Debt Instruments [Line Items] |  |
Total long-term debt | 20,327 | 20,093
Truist Financial Corporation: | Subordinated notes | Fixed rate |  |
Debt Instruments [Line Items] |  |
Total long-term debt | 1,589 | 1,818
Truist Financial Corporation: | Capital notes |  |
Debt Instruments [Line Items] |  |
Total long-term debt | 641 | 639
Truist Bank: | Senior notes | Fixed rate |  |
Debt Instruments [Line Items] |  |
Total long-term debt | 5,013 | 4,476
Truist Bank: | Senior notes | Floating rate |  |
Debt Instruments [Line Items] |  |
Total long-term debt | 849 | 499
Truist Bank: | Subordinated notes | Fixed rate |  |
Debt Instruments [Line Items] |  |
Total long-term debt | 2,779 | 3,553
Truist Bank: | FHLB advances | Floating rate |  |
Debt Instruments [Line Items] |  |
Total long-term debt | 10,150 | 9,450
Truist Bank: | Other long-term debt |  |
Debt Instruments [Line Items] |  |
Total long-term debt | $ 1,628 | $ 1,435

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