According to an Activision Blizzard press release, Destiny grossed over $500 million on day one of release.
Bobby Kotick, Activision Blizzard’s CEO stated:
“Based on extraordinary audience demand, retail and first party orders worldwide have exceeded $500 million for Destiny. This industry milestone marks another blockbuster success for our company and demonstrates our unique ability to create some of the most successful entertainment franchises in the world. The success of Destiny, along with the recent introduction of Blizzard Entertainment’s Hearthstone, is further validation of our unique capabilities to create great entertainment franchises from the ground up.” Source
A great success indeed!