Waymo at present has a private valuation that is twice as high as Tesla.
How can this be?
Margins! Tesla is focused on the full production of the car where Waymo is focused purely on the underlying technology with self driving cars. Thus, Waymo will have a Gross Margin that is extremely high in comparison to Tesla.
Eric Schmidt talked about this a lot. How Google and its products always wanted to be focused on providing the technology sub stack instead of the full product as it keeps margins at a high level and thus maximising value.