The U.S. and Saudi Arabia set up a joint economic commission, and Saudi Arabia invests oil surpluses in U.S. Treasuries. Oil money flows through Western banks and dollar markets.
Contested history
Consensus: In 1974 the U.S. and Saudi Arabia set up a joint economic commission and Saudi Arabia began investing oil surpluses in U.S. Treasuries; oil was already priced in dollars.
Confidential U.S.-Saudi arrangement for Treasury purchasesEstablished
Treasury records released in 2016 confirmed Saudi holdings of U.S. debt that had been reported only in aggregate for four decades.
A formal treaty required oil to be sold only for dollarsUnsupported
No such agreement appears in released U.S. or Saudi records; dollar pricing of oil predates 1974.
A 50-year petrodollar agreement expired in June 2024Debunked
The 1974 Joint Commission had no 50-year term and no document supports the expiry claims that circulated in 2024.