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Net interest income (Tables) | 12 Months Ended
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Dec. 31, 2023
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 Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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