It’s Not Really a ‘$3.5 Trillion’ Bill - NYTimes:

…Like Parrott, Marr recommended we use a number that describes the net fiscal impact of the bill. That would be more like $871 billion. That's the estimate provided by the congressional Joint Committee on Taxation in a report released on Sept. 13…
https://www.nytimes.com/2021/09/22/opinion/biden-spending-bill.html