Money Warren Buffett commits $10 billion in Occidental Petroleum for Anadarko takeover April 30, 2019Tom DiChristopher, CNBCComments Off on Warren Buffett commits $10 billion in Occidental Petroleum for Anadarko takeover Warren Buffett's Berkshire Hathaway will invest $10 billion in Occidental Petroleum if it beats out Chevron in its bid to takeover Anadarko Petroleum.