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Litigation, regulatory and similar matters (Detail 2) - USD ($) $ in Millions | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Disclosure Of Other Provisions [Line Items] |  |  |  |  |  |
Balance |  | $ 2,646 |  | $ 2,481 |  | $ 2,571
Litigation, regulatory and similar matters |  |  |  |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |  |  |  |
Balance | [2] | 2,119 | [1] | 2,072 | [1] | 2,135
Litigation, regulatory and similar matters | Global Wealth Management |  |  |  |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |  |  |  |
Balance | [2] | 800 |  | 810 |  | 861
Litigation, regulatory and similar matters | Personal & Corporate Banking |  |  |  |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |  |  |  |
Balance | [2] | 100 |  | 109 |  | 115
Litigation, regulatory and similar matters | Asset Management |  |  |  |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |  |  |  |
Balance | [2] | 1 |  | 1 |  | 0
Litigation, regulatory and similar matters | Investment Bank |  |  |  |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |  |  |  |
Balance | [2] | 282 |  | 217 |  | 227
Litigation, regulatory and similar matters | Group Functions |  |  |  |  |  |
Disclosure Of Other Provisions [Line Items] |  |  |  |  |  |
Balance | [2] | $ 936 |  | $ 935 |  | $ 932
[1] | <div>Comprises provisions for losses resulting from legal, liability and compliance risks</div>
[2] | <div>Provisions, if any, for matters described in this Note are recorded in Global Wealth Management (item 3 and item 4) and Group Functions (item 2). Provisions, if any, for the matters described in items 1 and 6 of this Note are allocated between Global Wealth Management and Personal & Corporate Banking, and provisions, if any, for the matters described in this Note in item 5 are allocated between the Investment Bank and Group Functions.</div>

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