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Segment information (Tables) | 9 Months Ended
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Sep. 30, 2024
Segment Reporting [Abstract] |
Information about Company's Segments | Information about the Company's segments follows:
| Three Months Ended September 30,
| 2024 |  | 2023
(Dollars in millions) | Total Revenues(a) |  | Inter- segment Revenues |  | Net Income (Loss) |  | Total Average Assets |  | Total Revenues(a) |  | Inter- segment Revenues |  | Net Income (Loss) |  | Total Average Assets
Commercial Bank | $ | 723 |  |  | $ | — |  |  | $ | 239 |  |  | $ | 80,434 |  |  | $ | 738 |  |  | $ | 1 |  |  | $ | 251 |  |  | $ | 80,473 |
Retail Bank | 1,292 |  |  | — |  |  | 446 |  |  | 53,128 |  |  | 1,307 |  |  | — |  |  | 473 |  |  | 51,024 |
Institutional Services and Wealth Management | 389 |  |  | 4 |  |  | 137 |  |  | 3,898 |  |  | 363 |  |  | 3 |  |  | 120 |  |  | 3,664 |
All Other | (72) |  |  | (4) |  |  | (101) |  |  | 72,121 |  |  | (73) |  |  | (4) |  |  | (154) |  |  | 70,630 |
Total | $ | 2,332 |  |  | $ | — |  |  | $ | 721 |  |  | $ | 209,581 |  |  | $ | 2,335 |  |  | $ | — |  |  | $ | 690 |  |  | $ | 205,791 |
| Nine Months Ended September 30,
| 2024 |  | 2023
(Dollars in millions) | Total Revenues(a) |  | Inter- segment Revenues |  | Net Income (Loss) |  | Total Average Assets |  | Total Revenues(a) |  | Inter- segment Revenues |  | Net Income (Loss) |  | Total Average Assets
Commercial Bank | $ | 2,139 |  |  | $ | 4 |  |  | $ | 645 |  |  | $ | 80,903 |  |  | $ | 2,308 |  |  | $ | 4 |  |  | $ | 819 |  |  | $ | 80,169 |
Retail Bank | 3,854 |  |  | — |  |  | 1,364 |  |  | 52,771 |  |  | 3,837 |  |  | — |  |  | 1,400 |  |  | 51,124 |
Institutional Services and Wealth Management | 1,167 |  |  | 10 |  |  | 409 |  |  | 3,735 |  |  | 1,344 |  |  | 9 |  |  | 515 |  |  | 3,680 |
All Other | (266) |  |  | (14) |  |  | (511) |  |  | 73,599 |  |  | (146) |  |  | (13) |  |  | (475) |  |  | 69,293 |
Total | $ | 6,894 |  |  | $ | — |  |  | $ | 1,907 |  |  | $ | 211,008 |  |  | $ | 7,343 |  |  | $ | — |  |  | $ | 2,259 |  |  | $ | 204,266 |
_______________________________________________________________ (a)Total revenues are comprised of net interest income and other income. Net interest income is the difference between taxable-equivalent interest earned on assets and interest paid on liabilities owed by a segment and a funding charge (credit) based on the Company's internal funds transfer and allocation methodology. Segments are charged a cost to fund any assets (e.g. loans) and are paid a funding credit for any funds provided (e.g. deposits). The taxable-equivalent adjustment aggregated $13 million and $15 million for the three-month periods ended September 30, 2024 and 2023, respectively, and $38 million and $41 million for the nine-month periods ended September 30, 2024 and 2023, respectively, and is eliminated in "All Other" total revenues.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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