Has the FED effectively just "printed" 300B dollars ?

I saw this link aboit the FED bailing out banks by lending them $300B

https://www.pbs.org/newshour/economy/federal-reserve-lent-300-billion-in-emergency-funds-to-banks-in-the-past-week

Then i saw another source mentioning that the FED has zero fractional reserve (meaning it can lend as much money it want with even hikding any percentage of that :

https://www.federalreserve.gov/monetarypolicy/reservereq.htm