Since its founding in 1837, Procter & Gamble has become one of the world's largest consumer product manufacturers, with annual sales of more than $87 billion. It operates with a lineup of leading brands, including more than 20 that generate annual global sales of more than $1 billion each, such as Tide laundry detergent, Charmin toilet paper, Pantene shampoo, and Pampers diapers. Sales outside the US represent just over half of the firm's consolidated total.