anchor: According to my rabbi (I don't want to pretend to be a student of such things), later commentators said that meant that Abraham was blessed with the recognition that he had passed the trials of his life with valor and devotion and could now enjoy a peaceful retirement, content in his own eyes and in the eyes of God.
positive: Abraham was able to have a peaceful retirement.
negative: My rabbi said that Abraham continued to overcome trials throughout the remainder of his days.