Other non-financial liabilities

In CHF million   31.12.2013   31.12.2012
Deferred revenue   375   338
Value-added taxes payable   128   117
Advance payments received   126   56
Other current non-financial liabilities   130   132
Total other current non-financial liabilities   759   643
Deferred gain on sale and leaseback of real estate   183   187
Other non-current non-financial liabilities   127   100
Total other non-current non-financial liabilities   310   287

Deferred revenues mainly comprise deferred payments for prepaid cards and prepaid subscription fees. The release of the deferred gain from the sale and leaseback of real estate is recorded in the income statement under other income over the lease term. See Notes 13 and 26.