These documents include passports, visas, paperwork, Covid testing, and vaccination results.
This includes cash and credit, plus back up money in case something bad happens while travelling.
You want to charge your phone while on vacation, right? Different countries have different outlets, so you will need an adapter to ensure you can charge things.
Toothpaste and toothbrush are most important. Be sure to follow TSA guidelines of how much liquid you can bring. You can buy most things at your destination if you forget something (unless you need a special brand!)