In the vote, they overcame opposition from Democrats and some within their own Republican ranks after a turbulent overnight session.
Vice President JD Vance broke a 50-50 tie to push it over the top. The three Republicans opposing the bill were Sens. Thom Tillis of North Carolina, Susan Collins of Maine and Rand Paul of Kentucky.
House Democratic leaders are meeting Tuesday evening to discuss possible ways to block the final bill, and Minority Leader Hakeem Jeffries vowed to use "all legislative tools and options" to prevent its passage.