The late Senator Everett Dirksen once reportedly said, "A billion here, a billion there, and pretty soon you're talking about real money." With that quote in mind, Warren Buffett's dividend income this year will be real money.

Since launching a new stake in the U.S. oil producer Occidental Petroleum ( OXY -2.09%), Berkshire has bought the stock like there is no tomorrow. Occidental is the sixth-largest position in Berkshire's portfolio, and Berkshire now owns over 28% of outstanding shares.

Buffett invested in Heinz in 2013 and two years later, Heinz merged with Kraft Foods. He bought 326 million shares during this merger at a cost of around $24.6 billion. He has held on to that stake, which is now worth $11.4 billion.

Warren Buffett, one of the world's most successful investors, continues to shape the investment landscape through Berkshire

Warren Buffett isn't known for his growth investing. Most experts would classify him as a value investor. But as Buffett has reminded us in the past, value investors aren't just about buying cheap stocks. They're interested in buying companies at a discount to their future valuation, even if that means paying a premium today.

These three top Warren Buffett stock picks have the potential to offer passive income investors a lifetime of reliable dividends.

Warren Buffett is one of the better-known and successful investors. Despite being a long-held position of Berkshire and a globally known iconic brand, the company's growth track and financials indicate it is not likely to serve new investors as well as it did Buffett and his team.

Warren Buffett’s Berkshire Hathaway owns a diverse portfolio of 44 stocks worth $297 billion. Wall Street analysts believe three of these stocks could deliver significant returns for shareholders in 2025.