I think at the beginning AA or NA is absolutely necessary for many people. You will find that you are not alone. Going to meetings helps you stop isolating yourself, gives you a fighting chance in wrapping your mind around what's been happening to you. You don't have to share but you'll probably find that you want to.
Also, check out Rational Recovery - it is for people who just want to make a Big Plan right away and never drink again. You could start with some meetings and work your way into making a Big Plan. That's what I did. It has worked well.