Tax receipts by the federal government jumped by $67 billion (+7.4%) in Q4 from Q3 to a record $902 billion. For the whole year, tax receipts jumped by $456 billion (+14.6%) to $3.57 trillion (blue line in the chart below).
Interest payments by the federal government on its monstrous Treasury debt rose by $7 billion (+2.4%) in Q4 from Q3, to $307 billion (red in the chart below). Interest payments don’t occur in a vacuum, but in the context of funds coming in to pay for them: tax receipts.