GOODWILL (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill [Abstract]

Disclosure of reconciliation of changes in goodwill


CHF in millions									Residential									Business									Wholesale									Total


Cost:




1 January 2024									4,587.1									1,098.3									327.3									6,012.7
Additions from business combinations									—									—									—									—


31 December 2024									4,587.1									1,098.3									327.3									6,012.7
Additions from business combinations									—									—									—									—


31 December 2025									4,587.1									1,098.3									327.3									6,012.7


CHF in millions									Residential									Business									Wholesale									Total


Goodwill, net:


Net carrying amount at 31 December 2024									4,587.1									1,098.3									327.3									6,012.7
Net carrying amount at 31 December 2025									4,587.1									1,098.3									327.3									6,012.7

Disclosure of assumptions used in goodwill impairment calculations

The key assumptions used are listed below:

Key assumptions used in value in use calculations


									2025									2024

Long-term growth rate									—%									—%
WACC (pre-tax)									5.1%									5.3%