29 Financial instruments

The following tables summarize all financial instruments classified by categories according to IFRS 9:

CHF million

31.12.2023

31.12.2022

Fair value of derivative financial instruments1

9.4

4.8

Total financial assets at fair value through profit or loss

9.4

4.8

Cash at banks

145.0

121.5

Time deposits with original maturities up to 3 months

4.4

2.1

Trade receivables

273.1

250.4

Other receivables

17.5

16.7

Accrued income

22.7

33.8

Loans

0.7

0.6

Other financial assets

6.0

7.4

Total financial assets at amortized cost

469.3

432.5

Investments in non-consolidated companies2

23.7

20.2

Total financial assets at fair value through other comprehensive income

23.7

20.2

Total

502.4

457.6

CHF million

31.12.2023

31.12.2022

Borrowings

594.0

638.8

Trade payables

190.3

160.2

Accrued expenses

129.6

110.3

Other payables

19.2

12.8

Total financial liabilities at amortized cost

933.0

922.1

Fair value of derivative financial instruments1

3.1

1.4

Total financial liabilities at fair value through profit or loss

3.1

1.4

Total

936.1

923.5

  1. 1 Measured at fair values that are calculated based on observable market data (level 2).
  2. 2 Measured at fair values that are based on quoted prices in active markets (level 1).

Borrowings comprise a bond with a total net book value of CHF 99.9 million (December 31, 2022: two bonds with a total net book value of CHF 174.9 million) and a total fair value of CHF 98.5 million (December 31, 2022: two bonds with a total fair value of CHF 169.4 million) based on quoted prices in active markets. The fair value of the discounted contractual future cash flows is equal to the carrying amount of the variable interest bank borrowings. Refer to note 23 for further information. The book values of other financial instruments measured at amortized cost correspond to their fair values.