Income investors probably don't need to worry about a dividend cut from Pfizer in the new year.How many profitable, large-cap healthcare companies pay a dividend yield of over 5%? Only one. Pfizer (PFE +1.12%) checks off all the boxes. It's profitable, raking in earnings of over $9.4 billion in the first nine months of 2025. The big drugmaker's market cap is over$140 billion. And Pfizer's forward dividend yield is a juicy 6.9%.All that sounds great. But how safe is Pfizer's dividend as 2026 begins? By the ...