Bottles of Grupo Modelo SAB Negra Modelo and Modelo Especial brand beer are displayed for a photograph in Mexico City, Mexico, on Monday, June 25, 2012. Anheuser-Busch InBev NV may spend about $20 billion buying the half of Grupo Modelo SAB it doesn’t already own, according to a person with knowledge of the matter. Photographer: Susana Gonzalez/Bloomberg via Getty Images