You’re missing very large categories like G&A, R&D etc but just look at their most recent SEC 10K or 10Q filings and you can see where the money goes.
Now this is not about self driving or whatever else, it's about a ride hailing app. The point is there is no reason ride hailing can't be profitable.
Now, using any company to prop up r&d and investor hype for a moonshot, that's a whole other idea...