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v3.22.4

Business Segment Information - Amounts of Consolidated Revenue, Expense, Tax and Assets (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |
Net interest income (expense) |  | $ 2,392 | $ 1,994 | $ 1,662
Provision for credit losses |  | 95 | (310) | 503
Noninterest income |  | 815 | 1,076 | 1,492
Noninterest expense |  | 1,953 | 2,096 | 1,718
Income before income taxes |  | 1,159 | 1,284 | 933
Income tax expense (benefit) |  | 247 | 274 | 76
Net income (loss) |  | 912 | 1,010 | 857
Average assets |  | 84,217 | 87,609 | 64,346
Depreciation and amortization |  | 64 | 28 | 46
Expenditures for long-lived assets |  | 24 | 37 | 379
Gain on sale of title services business |  | 22 | 0 | 0
Purchase accounting gain |  | 0 | (1) | 533
Charitable foundation contributions |  |  |  | 41
Visa Class B Shares |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Derivative valuation adjustment |  | 22 | 19 |
IBERIABANK (IBKC) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Purchase accounting gain | $ 531 |  |  | 533
Regional Banking |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest income (expense) |  | 1,954 | 1,764 | 1,287
Provision for credit losses |  | 94 | (229) | 392
Noninterest income |  | 444 | 438 | 345
Noninterest expense |  | 1,234 | 1,139 | 903
Income before income taxes |  | 1,070 | 1,292 | 337
Income tax expense (benefit) |  | 251 | 303 | 73
Net income (loss) |  | 819 | 989 | 264
Average assets |  | 42,295 | 41,527 | 31,890
Depreciation and amortization |  | 11 | (67) | (39)
Expenditures for long-lived assets |  | 18 | 27 | 283
Purchase accounting gain |  |  | 0 | 0
Specialty Banking |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest income (expense) |  | 557 | 620 | 576
Provision for credit losses |  | 14 | (64) | 116
Noninterest income |  | 311 | 597 | 576
Noninterest expense |  | 440 | 571 | 498
Income before income taxes |  | 414 | 710 | 538
Income tax expense (benefit) |  | 101 | 171 | 131
Net income (loss) |  | 313 | 539 | 407
Average assets |  | 19,967 | 20,789 | 19,809
Depreciation and amortization |  | (7) | (3) | 3
Expenditures for long-lived assets |  | 12 | 3 | 6
Purchase accounting gain |  |  | 0 | 0
Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest income (expense) |  | (119) | (390) | (201)
Provision for credit losses |  | (13) | (17) | (5)
Noninterest income |  | 60 | 41 | 571
Noninterest expense |  | 279 | 386 | 317
Income before income taxes |  | (325) | (718) | 58
Income tax expense (benefit) |  | (105) | (200) | (128)
Net income (loss) |  | (220) | (518) | 186
Average assets |  | 21,955 | 25,293 | 12,647
Depreciation and amortization |  | 60 | 98 | 82
Expenditures for long-lived assets |  | (6) | 7 | 90
Gain on sale of title services business |  | 22 |  |
Purchase accounting gain |  |  | (1) | 533
Long-lived asset impairment |  |  | 37 | 13
Corporate | Visa Class B Shares |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Derivative valuation adjustment |  | 22 | 19 |
Corporate | IBERIABANK Corporation and TD Merger |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Merger and integration expense |  | $ 136 | $ 187 | $ 155

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