It sounds like the US extended a $20B line of credit, of which the Argentinians used $2.5B, which was repaid (with interest):
https://apnews.com/article/argentina-us-treasury-scott-bessent-javier-milei-trump-21125705220bd1ca7e84f8b23e6d7037
Perhaps I'm misreading it but it looks like the loan...