7 - Cash and cash equivalents

(€ million) 31.12.2012 31.12.2011
Cash and cash equivalents 7,490 6,452
Cash and balances with central banks 3,156 9,486
Cash at bank 11,000 9,622
Total 21,647 25,560

The decrease of the period was substantially attributable to the decrease in deposits with the European Central Bank.