Segment reporting (Tables)	12 Months Ended
Segment reporting (Tables)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Entity [Table]
Disclosure Of Operating Segments Explanatory	USD m Global Wealth Management Personal & Corporate Banking Asset Management Investment Bank Group Functions UBS For the year ended 31 December 2022 Net interest income 5,273 2,191 (19) (242) (584) 6,621 Non-interest income 13,694 2,111 2,980 1 8,958 199 27,942 Total revenues 18,967 4,302 2,961 8,717 (385) 34,563 Credit loss expense / (release) 0 39 0 (12) 3 29 Operating expenses 13,989 2,452 1,564 6,832 92 24,930 Operating profit / (loss) before tax 4,977 1,812 1,397 1,897 (480) 9,604 Tax expense / (benefit) 1,942 Net profit / (loss) 7,661 Additional information Total assets 388,530 235,226 17,348 391,320 71,940 1,104,364 Additions to non-current assets 42 13 1 34 1,970 2,060	USD m Global Wealth Management Personal & Corporate Banking Asset Management Investment Bank Group Functions UBS For the year ended 31 December 2021 Net interest income 4,244 2,120 (15) 481 (127) 6,705 Non-interest income 15,175 2,143 2,632 8,972 (233) 28,689 Total revenues 19,419 4,263 2,617 9,454 (359) 35,393 Credit loss expense / (release) (29) (86) 1 (34) 0 (148) Operating expenses 14,665 2,618 1,586 6,858 330 26,058 Operating profit / (loss) before tax 4,783 1,731 1,030 2,630 (689) 9,484 Tax expense / (benefit) 1,998 Net profit / (loss) 7,486 Additional information Total assets 2 395,235 225,370 25,639 346,431 124,507 1,117,182 Additions to non-current assets 56 16 1 30 1,989 2,091	USD m Global Wealth Management Personal & Corporate Banking Asset Management Investment Bank Group Functions UBS For the year ended 31 December 2020 Net interest income 4,027 2,049 (17) 284 (481) 5,862 Non-interest income 3 13,107 1,858 2,993 9,235 30 27,222 Total revenues 17,134 3,908 2,975 9,519 (452) 33,084 Credit loss expense / (release) 88 257 2 305 42 694 Operating expenses 13,026 2,392 1,519 6,732 567 24,235 Operating profit / (loss) before tax 4,019 1,259 1,455 2,482 (1,060) 8,155 Tax expense / (benefit) 1,583 Net profit / (loss) 6,572 Additional information Total assets 367,714 231,657 28,589 369,683 128,122 1,125,765 Additions to non-current assets 5 12 385 150 2,294 2,847 1 Includes an USD 848 m gain in Asset Management related to the sale of UBS’s shareholding in Mitsubishi Corp.-UBS Realty Inc. 2 During 2022, UBS refined the methodology applied to allocate balance sheet resources from Group Functions to the business divisions, with prospective effect. If the new methodology had been applied as of 31 December 2021, balance sheet assets allocated to business divisions would have been USD 26 bn higher, of which USD 14 bn related to the Investment Bank. 3 Includes a USD 631 m net gain on the sale of a majority stake in Fondcenter AG (now Clearstream Fund Centre AG), of which USD 571 m was recognized in Asset Management and USD 60 m was recognized in Global Wealth Management.
Disclosure Of Geographical Areas Explanatory	For the year ended 31 December 2022 Total revenues 1 Total non-current assets USD bn Share % USD bn Share % Americas 2 13.8 40 8.9 46 Asia Pacific 5.6 16 1.5 8 Europe, Middle East and Africa (excluding Switzerland) 7.0 20 2.9 15 Switzerland 7.7 22 6.3 32 Global 0.5 1 0.0 0 Total 34.6 100 19.7 100 For the year ended 31 December 2021 Total revenues 1 Total non-current assets USD bn Share % USD bn Share % Americas 2 14.5 41 9.0 44 Asia Pacific 6.5 18 1.5 7 Europe, Middle East and Africa (excluding Switzerland) 7.0 20 2.9 14 Switzerland 7.8 22 7.1 35 Global (0.3) (1) 0.0 0 Total 35.4 100 20.5 100 For the year ended 31 December 2020 Total revenues 1 Total non-current assets USD bn Share % USD bn Share % Americas 2 13.2 40 9.0 42 Asia Pacific 6.1 18 1.5 7 Europe, Middle East and Africa (excluding Switzerland) 6.5 20 3.0 14 Switzerland 7.1 22 7.6 36 Global 0.1 0 0.0 0 Total 33.1 100 21.1 100 1 During 2022, UBS changed the presentation of its Income statement. Total operating income was renamed Total revenues and excludes Credit loss expense / (release). Note 2b, including prior-period information, has been updated to reflect the new presentation structure, with the disclosure of Total revenues instead of Total operating income. Refer to Note 1b for more information. 2 Predominantly related to the USA.
UBS AG
Entity [Table]
Disclosure Of Operating Segments Explanatory	USD m Global Wealth Management Personal & Corporate Banking Asset Management Investment Bank Group Functions UBS AG For the year ended 31 December 2022 Net interest income 5,274 2,192 (19) (241) (688) 6,517 Non-interest income 13,689 2,113 2,980 1 8,958 659 28,398 Total revenues 18,963 4,304 2,961 8,717 (30) 34,915 Credit loss expense / (release) 0 39 0 (12) 3 29 Operating expenses 14,069 2,475 1,565 6,890 928 25,927 Operating profit / (loss) before tax 4,894 1,790 1,396 1,839 (960) 8,960 Tax expense / (benefit) 1,844 Net profit / (loss) 7,116 Additional information Total assets 388,624 235,330 16,971 391,495 73,016 1,105,436 Additions to non-current assets 42 13 1 33 1,773 1,862	USD m Global Wealth Management Personal & Corporate Banking Asset Management Investment Bank Group Functions UBS AG For the year ended 31 December 2021 Net interest income 4,244 2,120 (15) 481 (226) 6,605 Non-interest income 15,175 2,144 2,632 8,978 294 29,222 Total revenues 19,419 4,264 2,617 9,459 68 35,828 Credit loss expense / (release) (29) (86) 1 (34) 0 (148) Operating expenses 14,743 2,623 1,593 6,902 1,151 27,012 Operating profit / (loss) before tax 4,706 1,726 1,023 2,592 (1,083) 8,964 Tax expense / (benefit) 1,903 Net profit / (loss) 7,061 Additional information Total assets 2 395,235 225,425 25,202 346,641 123,641 1,116,145 Additions to non-current assets 56 16 1 30 1,689 1,791	USD m Global Wealth Management Personal & Corporate Banking Asset Management Investment Bank Group Functions UBS AG For the year ended 31 December 2020 Net interest income 4,027 2,049 (17) 284 (555) 5,788 Non-interest income 3 13,107 1,859 2,993 9,224 504 27,686 Total revenues 17,134 3,908 2,975 9,508 (52) 33,474 Credit loss expense / (release) 88 257 2 305 42 695 Operating expenses 13,080 2,390 1,520 6,762 1,329 25,081 Operating profit / (loss) before tax 3,965 1,261 1,454 2,441 (1,423) 7,699 Tax expense / (benefit) 1,488 Net profit / (loss) 6,211 Additional information Total assets 367,714 231,710 28,266 369,778 127,858 1,125,327 Additions to non-current assets 5 12 385 150 1,971 2,524 1 Includes an USD 848 m gain in Asset Management related to the sale of UBS AG’s shareholding in Mitsubishi Corp.-UBS Realty Inc. 2 During 2022, UBS AG refined the methodology applied to allocate balance sheet resources from Group Functions to the business divisions, with prospective effect. If the new methodology had been applied as of 31 December 2021, balance sheet assets allocated to business divisions would have been USD 26 bn higher, of which USD 14 bn related to the Investment Bank. 3 Includes a USD 631 m net gain on the sale of a majority stake in Fondcenter AG (now Clearstream Fund Centre AG), of which USD 571 m was recognized in Asset Management and USD 60 m was recognized in Global Wealth Management.
Disclosure Of Geographical Areas Explanatory	For the year ended 31 December 2022 Total revenues 1 Total non-current assets USD bn Share % USD bn Share % Americas 2 13.8 40 9.0 48 Asia Pacific 5.6 16 1.5 8 Europe, Middle East and Africa (excluding Switzerland) 7.0 20 2.6 14 Switzerland 7.7 22 5.6 30 Global 0.8 2 0.0 0 Total 34.9 100 18.7 100 For the year ended 31 December 2021 Total revenues 1 Total non-current assets USD bn Share % USD bn Share % Americas 2 14.5 40 9.0 47 Asia Pacific 6.5 18 1.4 7 Europe, Middle East and Africa (excluding Switzerland) 7.0 20 2.6 13 Switzerland 7.8 22 6.3 33 Global 0.1 0 0.0 0 Total 35.8 100 19.3 100 For the year ended 31 December 2020 Total revenues 1 Total non-current assets USD bn Share % USD bn Share % Americas 2 13.2 39 9.0 45 Asia Pacific 6.1 18 1.4 7 Europe, Middle East and Africa (excluding Switzerland) 6.5 20 2.7 14 Switzerland 7.1 21 6.9 34 Global 0.5 2 0.0 0 Total 33.5 100 20.0 100 1 During 2022, UBS AG changed the presentation of its Income statement. Total operating income was renamed Total revenues and excludes Credit loss expense / (release). Note 2b, including prior-period information, has been updated to reflect the new presentation structure, with the disclosure of Total revenues instead of Total operating income. Refer to Note 1b for more information. 2 Predominantly related to the USA.