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CHICAGO (AP) -- The city of Chicago's plan to host the 2016 Olympic Games will cost an estimated $900 million to build new and temporary venues.

Organizers released that price tag Tuesday after sending a detailed questionnaire about the games to the International Olympic Committee. The events would be held on Chicago's downtown lakefrontand in nearby neighborhoods.

Details also emerged today about the other six bid cities' plans, including Tokyo, which said 95 percent of its competition venues would be within five miles of downtown.

Chicago's price tag is likely to grow if history is any guide.

Staging the 2012 London Olympics is now more than more triple the original estimates and tops $19 billion.

Chicago is one of seven cities bidding for the games. The IOC will likely whittle that group down to a short list of finalists in June.

The other bid cities are Tokyo; Rio de Janeiro, Brazil; Baku, Azerbaijan; Doha, Qatar; Madrid, Spain; and Prague, Czech Republic.

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