He hasn’t taken a salary since 2019.
His net worth is tied up in his shares of Tesla, and other enterprises. He also has substantial wealth from prior companies he has launched and sold.
Which is how he gets to date certified babes.
Once you reach a certain level of wealth, you often stop taking a normal salary, and just rely solely on your income.
Musk’s investment holdings are so ridiculous that fluctuations in the market can cause a bucket inflow of cash of tens of millions of dollars (easily) in a single day. He also doesn’t spend obscene amounts of money like Jeff Bezos does.