Net interest income and other income from fair value changes on financial instruments (Tables)	12 Months Ended
	Dec. 31, 2021
Entity [Table]
Disclosure Of Net Interest Income And Other Net Income From Financial Instruments Measured At Fair Value Through Profit Or Loss Tables Explanatory	For the year ended USD million 31.12.21 31.12.20 31.12.19 Net interest income from financial instruments measured at fair value through profit or loss 1,431 1,299 1,011 Other net income from financial instruments measured at fair value through profit or loss 5,850 6,960 6,842 of which: net gains / (losses) from financial liabilities designated at fair value 1 (6,582) 1,509 (8,748) Total net income from financial instruments measured at fair value through profit or loss 7,281 8,259 7,853 Net interest income Interest income from loans and deposits 2 6,488 6,690 8,008 Interest income from securities financing transactions 3 513 862 2,005 Interest income from other financial instruments measured at amortized cost 284 335 364 Interest income from debt instruments measured at fair value through other comprehensive income 115 101 120 Interest income from derivative instruments designated as cash flow hedges 1,133 822 188 Total interest income from financial instruments measured at amortized cost and fair value through other comprehensive income 8,533 8,810 10,684 Interest expense on loans and deposits 4 523 1,031 2,634 Interest expense on securities financing transactions 5 1,102 870 1,152 Interest expense on debt issued 1,533 2,237 3,285 Interest expense on lease liabilities 102 110 122 Total interest expense from financial instruments measured at amortized cost 3,259 4,247 7,194 Total net interest income from financial instruments measured at amortized cost and fair value through other comprehensive income 5,274 4,563 3,490 Total net interest income from financial instruments measured at fair value through profit or loss 1,431 1,299 1,011 Total net interest income 6,705 5,862 4,501 1 Excludes fair value changes of hedges related to financial liabilities designated at fair value and foreign currency translation effects arising from translating foreign currency transactions into the respective functional currency, both of which are reported within Other net income from financial instruments measured at fair value through profit or loss. 2021 included net losses of USD 2,068 million (net losses of USD 72 million and USD 1,830 million in 2020 and 2019, respectively), driven by financial liabilities related to unit-linked investment contracts, which are designated at fair value through profit or loss. This was offset by net gains of USD 2,068 million (net gains of USD 72 million and USD 1,830 million in 2020 and 2019, respectively), related to financial assets for unit-linked investment contracts that are mandatorily measured at fair value through profit or loss not held for trading. 2 Consists of interest income from cash and balances at central banks, loans and advances to banks and customers, and cash collateral receivables on derivative instruments, as well as negative interest on amounts due to banks, customer deposits, and cash collateral payables on derivative instruments. 3 Includes interest income on receivables from securities financing transactions and negative interest, including fees, on payables from securities financing transactions. 4 Consists of interest expense on amounts due to banks, cash collateral payables on derivative instruments, and customer deposits, as well as negative interest on cash and balances at central banks, loans and advances to banks, and cash collateral receivables on derivative instruments. 5 Includes interest expense on payables from securities financing transactions and negative interest, including fees, on receivables from securities financing transactions.
UBS AG
Entity [Table]
Disclosure Of Net Interest Income And Other Net Income From Financial Instruments Measured At Fair Value Through Profit Or Loss Tables Explanatory	For the year ended USD million 31.12.21 31.12.20 31.12.19 Net interest income from financial instruments measured at fair value through profit or loss 1,437 1,305 1,015 Other net income from financial instruments measured at fair value through profit or loss 5,844 6,930 6,833 of which: net gains / (losses) from financial liabilities designated at fair value 1 (6,457) 1,625 (8,748) Total net income from financial instruments measured at fair value through profit or loss 7,281 8,235 7,848 Net interest income Interest income from loans and deposits 2 6,489 6,696 8,026 Interest income from securities financing transactions 3 513 862 2,005 Interest income from other financial instruments measured at amortized cost 284 335 364 Interest income from debt instruments measured at fair value through other comprehensive income 115 101 120 Interest income from derivative instruments designated as cash flow hedges 1,133 822 188 Total interest income from financial instruments measured at amortized cost and fair value through other comprehensive income 8,534 8,816 10,703 Interest expense on loans and deposits 4 1,655 2,440 4,541 Interest expense on securities financing transactions 5 1,102 870 1,152 Interest expense on debt issued 512 918 1,491 Interest expense on lease liabilities 98 105 118 Total interest expense from financial instruments measured at amortized cost 3,366 4,333 7,303 Total net interest income from financial instruments measured at amortized cost and fair value through other comprehensive income 5,168 4,483 3,400 Total net interest income from financial instruments measured at fair value through profit or loss 1,437 1,305 1,015 Total net interest income 6,605 5,788 4,415 1 Excludes fair value changes of hedges related to financial liabilities designated at fair value and foreign currency translation effects arising from translating foreign currency transactions into the respective functional currency, both of which are reported within Other net income from financial instruments measured at fair value through profit or loss. 2021 included net losses of USD 2,068 million (net losses of USD 72 million and USD 1,830 million in 2020 and 2019, respectively), driven by financial liabilities related to unit-linked investment contracts, which are designated at fair value through profit or loss. This was offset by net gains of USD 2,068 million (net gains of USD 72 million and USD 1,830 million in 2020 and 2019, respectively), related to financial assets for unit-linked investment contracts that are mandatorily measured at fair value through profit or loss not held for trading. 2 Consists of interest income from cash and balances at central banks, loans and advances to banks and customers, and cash collateral receivables on derivative instruments, as well as negative interest on amounts due to banks, customer deposits, and cash collateral payables on derivative instruments. 3 Includes interest income on receivables from securities financing transactions and negative interest, including fees, on payables from securities financing transactions. 4 Consists of interest expense on amounts due to banks, cash collateral payables on derivative instruments, customer deposits, and funding from UBS Group AG, as well as negative interest on cash and balances at central banks, loans and advances to banks, and cash collateral receivables on derivative instruments. 5 Includes interest expense on payables from securities financing transactions and negative interest, including fees, on receivables from securities financing transactions.