Others, including Sen. Ron Johnson (R-WI), have voiced similar concerns about the bill’s steep cost, worrying that it is “mortgaging our children's future.”

U.S. Senate Republicans said on Thursday they will seek substantial changes to President Donald Trump's sweeping tax and spending bill after it narrowly won approval in the House of Representatives, in a sign that significant hurdles remain for the package.

Republican Senators Ron Johnson of Wisconsin and Rand Paul of Kentucky leaned into their criticism of President Donald Trump's "big, beautiful bill," which narrowly passed the House last week, during Sunday morning TV interviews.