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Net interest income | 12 Months Ended
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Dec. 31, 2023
Net interest income | 5 Net interest income
in |  | 2023 |  | 2022 |  | 2021 |
Net interest income (CHF million)
Loans |  | 8,225 |  | 5,900 |  | 4,993 |
Investment securities |  | 74 |  | 14 |  | 1 |
Trading assets, net of trading liabilities 1 |  | 1,241 |  | 2,540 |  | 2,839 |
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions |  | 2,803 |  | 2,135 |  | 1,172 |
Other |  | 4,700 |  | 1,676 |  | 588 |
Interest and dividend income |  | 17,043 |  | 12,265 |  | 9,593 |
Deposits |  | (3,880) |  | (1,749) |  | (151) |
Short-term borrowings |  | (2,140) |  | (227) |  | 3 |
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions |  | (648) |  | (769) |  | (812) |
Long-term debt |  | (6,136) |  | (3,438) |  | (2,437) |
Other |  | (828) |  | (685) |  | (271) |
Interest expense |  | (13,632) |  | (6,868) |  | (3,668) |
Net interest income |  | 3,411 |  | 5,397 |  | 5,925 |
1 Interest and dividend income is presented on a net basis to align with the presentation of trading revenues for trading assets and liabilities.

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- Definition The entire disclosure for interest income and interest expense for enterprises that derive a significant portion of their revenue from interest collected on investments, loans, and securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1-12) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
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