I thought it was good to be thorough and make sure she knows what I've accomplished. The fact that your boss is expressing a desire to not know everything is actually a positive sign. It demonstrates her hope that you will work autonomously, acting to complete your tasks independently without her having to micromanage you.
Managers are managers because they are overseeing other people who are completing tasks.
The important parts of completing tasks are meeting the objectives and meeting the deadlines. In other words, it sounds as if you are overdocumenting the process. Also, the time you're spending on creating all that information is time that you could be using to tackle your own tasks. Explain what point the project is at, tell whether it is on schedule and outline just those issues you have questions about or need input on. I feel as if I should take classes in computer programming and improve my technical skills.