There has been disappointingly little success from all of Google X's many investment dollars. I think with the hundreds of managers, institutional knowledge and helpful infrastructure comes a bureaucracy that kills a lot of what it creates.
"lets do Google X but with $100 billion" is a laughable business model
Dunno. I'm not quite sure of the figures but in 2015 they put in $3.5bn for the year. Against that Waymo which came out of X was recently valued at $105bn (https://www.cnbc.com/2019/09/27/waymo-valuation-cut-40percen...)