Today on the 20th April HSBC Holdings, one of the largest banks in the world pays it shareholders the Fourth interim dividend for 2015.
http://www.hsbc.com/investor-relations/share-and-dividend-information/dividend-timetable
It is paying out 14.7908p per share ($0.21)
The issued share capital of HSBC Holdings plc with voting rights was 19,747,057,258 ordinary shares.
Thus it is paying out to shareholders:
19,747,057,258 x £0.147908 = £2,920,747,745
today, £2.920 BILLION leaves the account of HSBC Holdings and is paid to its shareholders.