Now I'm just curious what the total value of their real estate holdings really is. A history of how that value fluctuated recently would also be interesting. I

Now I'm just curious what the total value of their real estate holdings really is. A history of how that value fluctuated recently would also be interesting. I guess this information is hidden somewhere in Alphabet's quarterly earnings reports but I'm afraid I wouldn't know where exactly to look (or what to look for).