Provisions and contingent liabilities (Tables)	12 Months Ended
Provisions and contingent liabilities (Tables)	Dec. 31, 2022
Entity [Table]
Total provisions recognized under both IAS 37 and IFRS 9 [textblock]	USD m 31.12.22 31.12.21 Provisions other than provisions for expected credit losses 3,042 3,322 Provisions for expected credit losses 1 201 196 Total provisions 3,243 3,518 1 Refer to Note 9 for more information about ECL provisions recognized for off-balance sheet financial instruments and credit lines.
Total provisions with additional information [textblock]	USD m Litigation, regulatory and similar matters 1 Restructuring Other 3 Total 2022 Balance at the beginning of the year 2,798 172 352 3,322 Increase in provisions recognized in the income statement 406 231 53 690 Release of provisions recognized in the income statement (58) (25) (36) (118) Provisions used in conformity with designated purpose (470) (243) (32) (745) Capitalized reinstatement costs 0 0 1 1 Foreign currency translation / unwind of discount (91) (5) (12) (108) Balance at the end of the year 2,586 130 2 326 3,042 1 Consists of provisions for losses resulting from legal, liability and compliance risks. 2 Consists of personnel-related restructuring provisions of USD 102 m as of 31 December 2022 (31 December 2021: USD 125 m) and provisions for onerous contracts of USD 28 m as of 31 December 2022 (31 December 2021: USD 47 m). 3 Mainly includes provisions related to real estate, employee benefits and operational risks.
Disclosure of provisions for litigation, regulatory and similar matters [text block]	Provisions for litigation, regulatory and similar matters by business division and in Group Functions 1 USD m Global Wealth Manage- ment Personal & Corporate Banking Asset Manage- ment Investment Bank Group Functions Total 2022 Balance at the beginning of the year 1,338 181 8 310 962 2,798 Increase in provisions recognized in the income statement 268 2 1 129 6 406 Release of provisions recognized in the income statement (23) (15) 0 (8) (12) (58) Provisions used in conformity with designated purpose (331) 0 0 (115) (23) (470) Reclassifications 0 0 0 4 (4) 0 Foreign currency translation / unwind of discount (70) (9) 0 (11) 0 (91) Balance at the end of the year 1,182 159 8 308 928 2,586 1 Provisions, if any, for the matters described in items 3 and 4 of this Note are recorded in Global Wealth Management, and provisions, if any, for the matters described in item 2 are recorded in Group Functions. 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, provisions, if any, for the matters described in item 5 are allocated between the Investment Bank and Group Functions, and provisions, if any, for the matters described in item 7 are allocated between Global Wealth Management and the Investment Bank.
UBS AG
Entity [Table]
Total provisions recognized under both IAS 37 and IFRS 9 [textblock]	USD m 31.12.22 31.12.21 Provisions other than provisions for expected credit losses 2,982 3,256 Provisions for expected credit losses 1 201 196 Total provisions 3,183 3,452 1 Refer to Note 9 for more information about ECL provisions recognized for off-balance sheet financial instruments and credit lines.
Total provisions with additional information [textblock]	USD m Litigation, regulatory and similar matters 1 Restructuring Other 3 Total 2022 Balance at the beginning of the year 2,798 137 321 3,256 Increase in provisions recognized in the income statement 406 174 49 629 Release of provisions recognized in the income statement (57) (19) (32) (109) Provisions used in conformity with designated purpose (470) (189) (31) (689) Capitalized reinstatement costs 0 0 1 1 Foreign currency translation / unwind of discount (90) (5) (11) (106) Balance at the end of the year 2,586 98 2 297 2,982 1 Consists of provisions for losses resulting from legal, liability and compliance risks. 2 Consists of personnel-related restructuring provisions of USD 70 m as of 31 December 2022 (31 December 2021: USD 90 m) and provisions for onerous contracts of USD 28 m as of 31 December 2022 (31 December 2021: USD 47 m). 3 Mainly includes provisions related to real estate, employee benefits and operational risks.
Disclosure of provisions for litigation, regulatory and similar matters [text block]	Provisions for litigation, regulatory and similar matters by business division and in Group Functions 1 USD m Global Wealth Manage- ment Personal & Corporate Banking Asset Manage- ment Investment Bank Group Functions Total 2022 Balance at the beginning of the year 1,338 181 8 310 962 2,798 Increase in provisions recognized in the income statement 268 2 1 129 6 406 Release of provisions recognized in the income statement (23) (15) 0 (8) (12) (57) Provisions used in conformity with designated purpose (331) 0 0 (115) (23) (470) Reclassifications 0 0 0 4 (4) 0 Foreign currency translation / unwind of discount (70) (9) 0 (11) 0 (90) Balance at the end of the year 1,182 159 8 308 928 2,586 1 Provisions, if any, for the matters described in items 3 and 4 of this Note are recorded in Global Wealth Management, and provisions, if any, for the matters described in item 2 are recorded in Group Functions. 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, provisions, if any, for the matters described in item 5 are allocated between the Investment Bank and Group Functions, and provisions, if any, for the matters described in item 7 are allocated between Global Wealth Management and the Investment Bank.