Tesla generated more than half a billion dollars in revenue last year from selling products to two of Elon Musk's other companies, xAI and SpaceX, the carmaker disclosed in an amended annual filing. Sales worth $430.1 million (around ₹4,082 crore) came from business with xAI. It earned $143.3 million (around ₹1,360 crore) in revenue from the billionaire's aerospace firm SpaceX.