In uncertain times, leaders at all levels can learn from what the world's best CEOs are doing to protect themselves and forge a path ahead. In this Future of Business series, IdeaCast hosts Alison Beard and Adi Ignatius sat down with four leading CEOs who manage across different industries and geographies to understand where global business is going. In this episode, host Adi Ignatius speaks with Walmart CEO Doug McMillon, who since announced he'll be retiring in early 2026. They discuss how the world's largest company makes it through global disruption and supply chain shocks, their ongoing digital transformation including the implementation of AI, and how McMillon aims to stay close to the original purpose of the company.