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Other intangible assets (Tables)
12 Months Ended
Dec. 31, 2023
Other intangible assets
  20232022

end of

Gross
carrying
amount
Accumu-
lated
amorti-
zation

Net
carrying
amount

Gross
carrying
amount
Accumu-
lated
amorti-
zation

Net
carrying
amount
Other intangible assets (CHF million)   
Trade names/trademarks27(23)425(25)0
Client relationships19(2)1729(9)20
Other6(3)35(3)2
Total amortizing other intangible assets 52(28)2459(37)22
Non-amortizing other intangible assets298298430430
   of which mortgage servicing rights, at fair value 305305403403
Total other intangible assets 350(28)322489(37)452
Additional information
Additional information
in202320222021
Aggregate amortization and impairment (CHF million)   
Aggregate amortization348
Impairment2800
Estimated amortization
Estimated amortization
Estimated amortization (CHF million)   
20241
20251
20261
20271
20282