In a phone interview with the NBC journalist Kristen Welker, Mr. Trump said he had no plans to speak with Mr. Musk, calling the tech billionaire “disrespectful” to the office of the president. When asked whether he had any desire to repair his relationship with Mr. Musk, Mr. Trump said, “No.”

As the package moves from the House to the Senate, the simmering unrest over curbing the Obama and Biden policies shows just how politically difficult it can be to slash government programs once they become part of civic life.

Fiscal hawk Ron Johnson stands firm against Trump's budget bill, contending it lacks substantial cuts while highlighting lawmakers' poor understanding of federal expenditures.