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Provisions (Detail 2) - USD ($) $ in Millions | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | $ 7,170 | $ 3,723 | $ 3,042
Litigation, regulatory and similar matters |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | 6,126 | 3,306 | 2,586
Litigation, regulatory and similar matters | Global Wealth Management |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | 1,196 | 1,193 | 1,182
Litigation, regulatory and similar matters | Personal & Corporate Banking |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | 162 | 161 | 159
Litigation, regulatory and similar matters | Asset Management |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | 8 | 8 | 8
Litigation, regulatory and similar matters | Investment Bank |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | 327 | 351 | 308
Litigation, regulatory and similar matters | Group Functions |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | 1,595 | 1,594 | 928
Other |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |
Other provisions | $ 1,044 | $ 416 | $ 456

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