In exchange for her silence and agreement not to sue, she was paid a sum in the high six figures, according to people briefed on the agreement.
Huddy also said that a longtime Fox executive, Jack Abernethy, had retaliated against her professionally after she made clear that she was not interested in a personal relationship.
Huddy made her allegations known to Fox News in the letter her lawyers sent to the network in August.
O’Reilly opened the door to his room, he was wearing nothing but boxer shorts, according to the letter.
The consequences for breaking the confidentiality of the agreement are severe, costing either side $500,000 per infringement, according to the document.