The billionaire presidential adviser said he was “disappointed” in Trump’s “big, beautiful bill” because of how it would raise the national debt.

The Tesla and SpaceX mogul derided Trump’s signature legislative package, which narrowly passed in the House of Representatives, for undermining the cost-cutting effort of his Department of

Elon Musk is criticizing the centerpiece of President Trump’s legislative agenda, a significant fracture in a partnership that was forged during last year's campaign and was poised to reshape American politics and the federal government.

Michael Dowling, CEO of Northwell Health, stands with Reps. Tom Suozzi (D-Glen Cove) and Laura Gillen (D-Rockville Centre) as they address the potentially harmful consequences of cuts to Medicaid, SNAP, and other safety-net programs in the recent House-passed budget reconciliation bill on Wednesday in Levittown. Credit: Newsday/Howard Schnapp

Sens. Rand Paul of Kentucky, Ron Johnson of Wisconsin and Mike Lee of Utah reiterated their issues with the bill, which revolve around the deficit impact. The Congressional Budget Office has projected the legislation would add $2.3 trillion to the federal deficit over 10 years.

The White House made the case Monday that passing President Trump's "big beautiful bill" would be the fiscally responsible move. Outside analyses instead foresee a new flood of government debt if lawmakers move forward.

Elon Musk said he was disappointed by President Donald Trump's spending bill and that it undermines the work of DOGE.

The House-passed bill would extend expiring tax cuts Trump enacted during in his first term and increase spending on the military and border enforcement.