The Japanese conglomerate said it plans to use the proceeds to buy back $18 billion worth of shares and pay down its debt. Its shares rose on the news.
It's not clear which assets it might sell, but Redex Holdings analyst Kirk Boodry speculated to Reuters that the money could be raised by selling SoftBank's stakes in Alibaba and Sprint.
Meanwhile, The Wall Street Journal reports that WeWork board members are considering legal action against SoftBank, which recently suggested it would renege on its agreement to buy WeWork shares.