What is the largest US bill printeddid the US ever print billion dollar bills?

The largest US bill ever printed was the $100,000 bill featuring Woodrow Wilson, used only for transactions between Federal Reserve Banks and never circulated among the public. The highest denomination of currency available to the public was the $100 bill. The US has never printed billion-dollar bills; large denominations were phased out in 1969 to combat money laundering and other illicit activities.