With Sens. Rand Paul and Thom Tillis opposed to the package, GOP leaders can afford only one more defection. And multiple Republicans aren't yet sold on the measure.

Lawmakers voted largely along party lines to advance the megabill, overcoming weeks of closed-door negotiations and internal disagreements.

The US Capitol in Washington, DC, US, on Monday, June 30, 2025. Senate Republican leaders continue to scrounge for votes to pass Donald Trumps $3.3 trillion tax and spending bill as lingering intraparty fights threaten to upend the legislative centerpiece of the presidents domestic agenda.