“Investors have previously estimated that Venezuela also owes $30bn-$50bn to oil companies and trade creditors for unpaid invoices and more than $20bn in legal claims awarded to companies after Chávez’s regime expropriated their property.
Venezuela has also been estimated to owe $10bn-$20bn to China in debts that Caracas previously paid from oil exports but is believed to have stopped servicing, about $6bn to Russia, and $4bn to development banks” (FT).