BP Plc operates as an integrated oil and gas company worldwide. It operates through three segments: Upstream, Downstream and Rosneft. The Upstream segment engages in the oil and natural gas exploration, field development, and production; midstream transportation, and storage and processing; and marketing and trade of natural gas, including liquefied natural gas, and power and natural gas liquids. It also owns and manages crude oil and natural gas pipelines; processing facilities and export terminals; and LNG processing facilities and transportation, as well as NGL extraction business. The Downstream segment refines, manufactures, markets, transports, supplies, and trades in crude oil, petroleum, and petrochemicals products and related services to wholesale and retail customers. It offers lubricants and related products under the Castrol, BP, and Aral brands to the automotive, industrial, marine, and energy markets; and petrochemicals products, such as purified terephthalic acid, paraxy