Since its founding in 1837, Procter & Gamble has become one of the world's largest consumer product manufacturers, generating more than $80 billion in annual sales. It operates with a lineup of leading brands, including more than 20 that generate north of $1 billion each in annual global sales, such as Tide laundry detergent, Charmin toilet paper, Pantene shampoo, and Pampers diapers. P&G sold its last remaining food brand, Pringles, to Kellogg in calendar 2012. Sales outside its home turf represent around 53% of the firm's consolidated total.