Elon Musk, founder, CEO and lead designer at SpaceX and co-founder of Tesla, speaks at the International Space Station Research and Development Conference in Washington, U.S., July 19, 2017.

OpenAI’s recently surfaced internal call notes reveal Elon Musk’s previous backing for a $10 billion for-profit arm ICO in early 2018 to fund the nonprofit’s projects. Musk’s decision to abandon the ...