Trump threatened to have his Department of Government Efficiency look into Musk's subsidies as the tech mogul continues to trash the Republican domestic policy bill.

Vice President JD Vance provided the tie-breaking vote to get Trump's bill across the finish line. It now must go back to the House for approval.

U.S. Senate Republicans were still trying to pass President Donald Trump's sweeping tax-cut and spending bill early on Tuesday morning, despite divisions within the party about its expected $3.3 trillion hit to the nation's debt pile.