Restricted financial assets (Tables)	12 Months Ended
Restricted financial assets (Tables)	Dec. 31, 2021
Entity [Table]
Disclosure of restricted financial assets [text block]	Restricted financial assets USD million 31.12.21 31.12.20 Restricted financial assets of which: assets pledged as collateral that may be sold or repledged by counterparties of which: mortgage loans 1 Restricted financial assets of which: assets pledged as collateral that may be sold or repledged by counterparties of which: mortgage loans 1 Financial assets pledged as collateral Financial assets at fair value held for trading 63,725 43,397 64,367 47,098 Loans and advances to customers 18,160 16,330 20,361 18,191 Financial assets at fair value not held for trading 961 961 2,140 2,140 Debt securities classified as Other financial assets measured at amortized cost 2,234 1,870 2,506 2,506 Financial assets measured at fair value through other comprehensive income 0 0 149 149 Total financial assets pledged as collateral 2 85,079 89,523 Other restricted financial assets Loans and advances to banks 3,408 3,730 Financial assets at fair value held for trading 392 741 Cash collateral receivables on derivative instruments 4,747 3,765 Loans and advances to customers 1,237 756 Financial assets at fair value not held for trading 22,765 23,243 Financial assets measured at fair value through other comprehensive income 894 0 Other 97 110 Total other restricted financial assets 33,540 32,345 Total financial assets pledged and other restricted financial assets 118,619 121,868 1 All related to mortgage loans that serve as collateral for existing liabilities toward Swiss central mortgage institutions and for existing covered bond issuances. Of these pledged mortgage loans, approximately USD 2.7 billion as of 31 December 2021 (31 December 2020: approximately USD 2.7 billion) could be withdrawn or used for future liabilities or covered bond issuances without breaching existing collateral requirements. 2 Does not include assets placed with central banks related to undrawn credit lines and for payment, clearing and settlement purposes (31 December 2021: USD 4.4 billion; 31 December 2020: USD 1.3 billion).
UBS AG
Entity [Table]
Disclosure of restricted financial assets [text block]	Restricted financial assets USD million 31.12.21 31.12.20 Restricted financial assets of which: assets pledged as collateral that may be sold or repledged by counterparties of which: mortgage loans 1 Restricted financial assets of which: assets pledged as collateral that may be sold or repledged by counterparties of which: mortgage loans 1 Financial assets pledged as collateral Financial assets at fair value held for trading 63,834 43,397 64,418 47,098 Loans and advances to customers 18,160 16,330 20,361 18,191 Financial assets at fair value not held for trading 961 961 2,140 2,140 Debt securities classified as Other financial assets measured at amortized cost 2,234 1,870 2,506 2,506 Financial assets measured at fair value through other comprehensive income 0 0 149 149 Total financial assets pledged as collateral 2 85,188 89,574 Other restricted financial assets Loans and advances to banks 3,408 3,730 Financial assets at fair value held for trading 392 741 Cash collateral receivables on derivative instruments 4,747 3,765 Loans and advances to customers 1,237 756 Financial assets at fair value not held for trading 22,328 22,917 Financial assets measured at fair value through other comprehensive income 894 0 Other 97 110 Total other restricted financial assets 33,104 32,019 Total financial assets pledged and other restricted financial assets 118,292 121,593 1 All related to mortgage loans that serve as collateral for existing liabilities toward Swiss central mortgage institutions and for existing covered bond issuances. Of these pledged mortgage loans, approximately USD 2.7 billion as of 31 December 2021 (31 December 2020: approximately USD 2.7 billion) could be withdrawn or used for future liabilities or covered bond issuances without breaching existing collateral requirements. 2 Does not include assets placed with central banks related to undrawn credit lines and for payment, clearing and settlement purposes (31 December 2021: USD 4.4 billion; 31 December 2020: USD 1.3 billion).