He had vision and not only could he recognize greatness in products and ideas, but he understood what it took to realize it. He made plenty of bad decisions and mistakes. No he didn't 'invent' shit or build shit by himself. People think that its good ideas that make successfully people or defines brilliance. Good, even great ideas are cheap. Work in Silicon Valley long enough and you learn there a tons of brilliant ideas and brilliant people. Whats hard is execution, vision, and leadership. Wozniak is a brilliant engineer. But without someone like Jobs, he wouldn't have had the drive or motivation to build an empire. He was a builder. His focus was building a great 'thing', not trying to build a company. Steve saw beyond the thing and understood what it took to build something larger than the thing in question.
When Steve introduced the iPhone he talked about pivotal products that impact a generation, and how few companies are lucky to introduce one in their lifetime. Apple Introduced three: