NBC Olympics officials over the cost of $4 billion by 2020

This decision with the knowledge of NBC Olympics officials over the cost of $4 billion by 2020, a four-game contract to maintain the rights of American television.

Two officials on condition of anonymity, spoke to Associated Press because it has been decided yet officially by the International Olympic Committee has announced.

NBC Fox ESPN and three against - has won competitive bids.

The network will have exclusive rights to the 2014 Winter Games in Sochi, Russia.
The 2016 Summer Olympics in Rio de Janeiro.
The 2018 Winter Games and 2020 Olympics, whose sites have not yet been chosen.

NBC Sports from 2002 to 1988 and every Winter Olympics since the summer is broadcast.