Earlier quoted context omitted.
The US spends more subsidizing fossil fuels than on defense, according to a report from the International Monetary Fund: https://www.rollingstone.com/politics/politics-news/fossil-f...
The "subsidy" is not straight-up tax dollars being given to Exxon & co, but computed against "prices fully reflected supply costs plus the taxes needed to reflect environmental costs and other damage, including premature deaths from air pollution".
In the US, like many countries, these are very substantial: