24. Trade and other receivables

  As at
2 January
2010
$ million
As at
3 January
2009
$ million
Current assets  
Financial assets:  
– Trade receivables (see note 25)662.3684.4
– Derivative financial instruments (see note 32)1.21.1
– Collateralised cash2.13.8
– Other receivables41.337.0
 706.9726.3
Non-financial assets:  
– Prepayments46.143.4
 753.0769.7
   
Non-current assets  
Financial assets:  
– Derivative financial instruments (see note 32)56.973.4
– Other receivables16.432.5
 73.3105.9
Non-financial assets:  
– Prepayments7.8
 81.1105.9

Collateralised cash represents cash given as collateral under letters of credit for insurance and regulatory purposes.

The Group is the beneficiary of a number of corporate-owned life assurance policies against which it borrows from the relevant life assurance company. As at 2 January 2010, the surrender value of the policies was $577.6 million (3 January 2009: $518.6 million) and the amount outstanding on the related loans was $575.2 million (3 January 2009: $516.5 million). For accounting purposes, these amounts are offset and the net receivable of $2.4 million (3 January 2009: $2.1 million) is included in other receivables.

As at 2 January 2010, trade and other receivables amounting to $1.6 million (3 January 2009: $nil) were secured on the assets of the debtors.