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Derivative instruments (Detail) - USD ($) $ in Millions | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Derivative [Line Items] |  |  |  |
Derivative financial assets | [1],[2],[3],[4] | $ 121,622 | $ 148,282 | $ 159,617
Notional values related to derivative financial assets | [2],[5] | 4,708,000 | 4,937,000 | 4,479,000
Derivative financial liabilities | [2] | 121,686 | 146,036 | 161,102
Notional values related to derivative financial liabilities | [2],[5] | 4,569,000 | 4,745,000 | 4,430,000
Other notional values | [2],[6] | 10,024,000 | 11,817,000 | 11,394,000
Interest rate contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets |  | 38,400 | 39,900 | 50,900
Notional values related to derivative financial assets | [5] | 995,000 | 991,000 | 928,000
Derivative financial liabilities |  | 32,700 | 34,000 | 43,900
Notional values related to derivative financial liabilities | [5] | 912,000 | 901,000 | 880,000
Other notional values | [6] | 9,918,000 | 11,707,000 | 11,292,000
Credit derivative contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets |  | 2,000 | 2,300 | 2,400
Notional values related to derivative financial assets | [5] | 54,000 | 65,000 | 58,000
Derivative financial liabilities |  | 2,400 | 2,500 | 2,900
Notional values related to derivative financial liabilities | [5] | 54,000 | 62,000 | 65,000
Other notional values | [6] | 0 | 0 | 0
Foreign exchange contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets |  | 49,500 | 70,700 | 68,700
Notional values related to derivative financial assets | [5] | 3,074,000 | 3,283,000 | 2,951,000
Derivative financial liabilities |  | 47,400 | 67,600 | 70,500
Notional values related to derivative financial liabilities | [5] | 2,869,000 | 3,066,000 | 2,820,000
Other notional values | [6] | 2,000 | 2,000 | 1,000
Equity / index contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets |  | 29,200 | 32,200 | 34,800
Notional values related to derivative financial assets | [5] | 458,000 | 468,000 | 450,000
Derivative financial liabilities |  | 36,300 | 38,700 | 41,200
Notional values related to derivative financial liabilities | [5] | 615,000 | 599,000 | 581,000
Other notional values | [6] | 90,000 | 97,000 | 91,000
Commodity contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets |  | 1,900 | 2,200 | 2,200
Notional values related to derivative financial assets | [5] | 59,000 | 62,000 | 58,000
Derivative financial liabilities |  | 2,100 | 2,000 | 2,000
Notional values related to derivative financial liabilities | [5] | 58,000 | 54,000 | 50,000
Other notional values | [6] | 15,000 | 12,000 | 10,000
Loan commitments measured at FVTPL |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets |  | 0 | 0 |
Notional values related to derivative financial assets | [5] | 1,000 | 1,000 |
Derivative financial liabilities |  | 0 | 0 | 0
Notional values related to derivative financial liabilities | [5] | 11,000 | 9,000 | 10,000
Unsettled purchases of non-derivative financial instruments |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets | [7] | 300 | 600 | 300
Notional values related to derivative financial assets | [5],[7] | 29,000 | 26,000 | 18,000
Derivative financial liabilities | [7] | 300 | 300 | 200
Notional values related to derivative financial liabilities | [5],[7] | 26,000 | 32,000 | 10,000
Unsettled sales of non-derivative financial instruments |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative financial assets | [7] | 300 | 400 | 200
Notional values related to derivative financial assets | [5],[7] | 39,000 | 41,000 | 17,000
Derivative financial liabilities | [7] | 400 | 800 | 300
Notional values related to derivative financial liabilities | [5],[7] | $ 23,000 | $ 21,000 | $ 13,000
[1] | <div>Financial assets and liabilities are presented net on the balance sheet if UBS has the unconditional and legally enforceable right to offset the recognized amounts, both in the normal course of business and in the event of default, bankruptcy or insolvency of UBS or its counterparties, and intends either to settle on a net basis or to realize the asset and settle the liability simultaneously</div>
[2] | <div>Financial assets and liabilities are presented net on the balance sheet if UBS has the unconditional and legally enforceable right to offset the recognized amounts, both in the normal course of business and in the event of default, bankruptcy or insolvency of UBS or its counterparties, and intends either to settle on a net basis or to realize the asset and settle the liability simultaneously.</div>
[3] | <div>In cases where derivative financial instruments are presented on a net basis on the balance sheet, the respective notional values of the netted derivative financial instruments are still presented on a gross basis. Notional amounts of exchange-traded agency transactions and OTC-cleared transactions entered into on behalf of clients are not disclosed, as they have a significantly different risk profile</div>
[4] | <div>Other notional values relate to derivatives that are cleared through either a central counterparty or an exchange. The fair value of these derivatives is presented on the balance sheet net of the corresponding cash margin under Cash collateral receivables on derivative instruments and Cash collateral payables on derivative instruments and was not material for all periods presented.</div>
[5] | <div>In cases where derivative financial instruments are presented on a net basis on the balance sheet, the respective notional values of the netted derivative financial instruments are still presented on a gross basis. Notional amounts of exchange-traded agency transactions and OTC-cleared transactions entered into on behalf of clients are not disclosed, as they have a significantly different risk profile</div>
[6] | <div>Other notional values relate to derivatives that are cleared through either a central counterparty or an exchange. The fair value of these derivatives is presented on the balance sheet net of the corresponding cash margin under Cash collateral receivables on derivative instruments and Cash collateral payables on derivative instruments and was not material for all periods presented.</div>
[7] | <div>Changes in the fair value of purchased and sold non-derivative financial instruments between trade date and settlement date are recognized as derivative financial instruments.</div>

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- Definition The nominal or face amount of a derivative asset, used to calculate payments made on that instrument. + References No definition available. + Details
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- Definition The gross nominal or face amount of derivative financial instruments, used to calculate payments made on that instrument, and which are cleared through a central clearing counterparty or an exchange. + References No definition available. + Details
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