They used to publish annual reports every year. They included measuring performance on relevant indicators, and financial information. All audited by the OIG.
Musk has not blocked access to the archives yet, so the reports up to 2016 can still be downloaded.
https://2012-2017.usaid.gov/results-and-data/progress-data/agency-financial-report
Personally, I have nothing against publishing details, but not the current propaganda circus by SM posts.