And that does not really count. If government department A owes 10 dollars to government department B, the total net government debt does not change. So yequalsx's data is correct for the purposes of the present discussion.
If the government borrows from Social Security, it takes that money out of itself and spends it out in the economy. SS and the government has a smaller pile of cash, and the government owes itself. When the money is put back, it's with funds that could either be used to buy bullets or put back in SS.