{"cik":79879,"taxonomy":"us-gaap","tag":"CostOfGoodsAndServicesSold","label":"Cost of Goods and Services Sold","description":"The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.","entityName":"PPG INDUSTRIES INC","units":{"USD":{}}}