Indicator Description [Shares (Basic)]: The number of shares or other units outstanding of the entity's capital or common stock or other ownership interests, as stated on the cover of related periodic report (10-K/10-Q), after adjustment for stock splits.
Company Self Description [BERKSHIRE HATHAWAY INC]: Berkshire Hathaway is a holding company owning subsidiaries engaged in a number of diverse business activities. The most important of these are insurance businesses conducted on both a primary basis and a reinsurance basis, a freight rail transportation business and a group of utility and energy generation and distribution businesses. Berkshire also owns and operates a large number of other businesses engaged in a variety of activities, as identified herein. Berkshire's operating businesses are managed on an unusually decentralized basis. There are essentially no centralized or integrated business functions and there is minimal involvement by Berkshire's corporate headquarters in the day-to-day business activities of the operating businesses.