A polycarbonate resin composition characterized by comprising 100 parts by mass of one or more polycarbonate resins comprising a polycarbonate resin (A1) having a structural unit of general formula (1) and a polycarbonate resin (A2) having a structural unit of general formula (2) in an (A1)/(A2) mass ratio of 100/0 to 10/90, 3-20 parts by mass of a phosphorus-compound flame retardant (B), 2-20 parts by mass of a silicone flame retardant (C), and 3-100 parts by mass of an inorganic filler (D), the phosphorus-compound flame retardant (B) being a phosphazene compound and/or a polyphosphoric acidester.