I have a document, and I've told my oldest son where it is. In it I have instructions with passwords for all my bank stuff and everything else they might need.
I also have included this forum's web address and asked that one of my kids log in as me and share the news. I've said this before, but I'll say it again: it is amazing to me that I could pass almost all of you on the street and not know who you are, and I don't even know your names, but you've been more valuable and longer-lasting friends than my friends IRL. There has to be a story in that.