The settlement’s existence after a 2017 accusation had been documented before the defense secretary nominee’s confirmation hearing this month, but the amount had not been known publicly.

A woman once married to the brother of Pete Hegseth, the defense secretary nominee, submitted a sworn statement to the Senate in a late-hour complication to his confirmation. His lawyer denied her account.

President-elect Donald J. Trump’s pick for defense secretary had a more amicable exchange with Joni Ernst, a Republican, who is considered a key vote.