With more than 100 million viewers tuning in, some of the largest U.S. brands shell out millions of dollars every year for airtime during the Super Bowl.

In years past, the likes of Doritos and T-Mobile have paid for multiple ads to run during the NFL championship game in the hopes of creating a splash that will drive consumers to buy their products. But this year, a number of brands known for their iconic Super Bowl commercials — Budweiser and Coca-Cola, for example — are sitting out the big game.