Looks a bit like Rahner's "Anonymous Christianity". Rahner was a Jesuit too.
For Rahner, this was a way to expand the Catholic church, with good doing Atheists, Buddhist, or people of any other life orientation, who didn't know they were actually Christians. Christians that anonymous, that they did not even know themselves.
Yay. As an atheist I am pleased to know that I may one day end up in heaven...which. Doesn't. Fucking. Exist!!!
So, are you an Atheist, or just not knowing that you are a Catholic?
And, would fucking exist in heaven?
The mind boggles.