The remarks by Musk, a Trump supporter, could possibly impact prospects for the “Big Beautiful Bill” in the upper chamber, where it could face challenges.
Sen. Ron Johnson, R-Wisconsin, wants further budget cuts, while other Republicans argue the Medicaid cuts in the bill go too far. A handful of GOP legislators support some of the Biden administration’s Inflation Reduction Act tax credits and do not want them eliminated.
The spending bill is the centerpiece of Trump's domestic policy agenda and could define his second term in the White House.
Independent analysts have warned it would increase the deficit by as much as $4 trillion over a decade.
In a separate interview with The Washington Post, Musk, who founded and runs both Tesla and SpaceX, looked back on his work leading the reforms, in which many civil servants lost their jobs with little or no warning.