That's just not true. Source: a two-digit division.
Previous to this, they had about ~10B (via MS), and they've been operating for about 2 years at this scale. Unless they got this $$$ like a week away from being bankrupt, which I highly doubt.
It is speculated that a majority of those 10B is Azure cloud credits. Basically company scrip. You can't pay Nvidia in the scrip, or the city electricity department, or even the salary.