3.23.1 html 10 80 1 true 9 0 false 3 false false R1.htm 01001 - Document - Document and Entity Information {Elements} Sheet http://troweprice.com/20221231/role/DocumentAndEntityInformation1 Document and Entity Information 1 false true R2.htm 01002 - Document - Risk/Return Summary (T. Rowe Price Communications & Technology Fund) {Unlabeled} Sheet http://troweprice.com/20221231/role/RRSummary2 Risk/Return Summary (T. Rowe Price Communications & Technology Fund) 2 false false R3.htm 01003 - Disclosure - Risk/Return Detail Data (T. Rowe Price Communications & Technology Fund) {Elements} Sheet http://troweprice.com/20221231/role/RRDetailData3 Risk/Return Detail Data (T. Rowe Price Communications & Technology Fund) 3 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept RiskNarrativeTextBlock in rr/2022 used in 1 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. c485bpos.htm 165 [dq-0542-Deprecated-Concept] Concept RiskLoseMoney in rr/2022 used in 1 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. c485bpos.htm 166 [dq-0542-Deprecated-Concept] Concept RiskNondiversifiedStatus in rr/2022 used in 1 facts was deprecated in rr/2023 as of 2023-01-31 and should not be used. c485bpos.htm 231 c485bpos.htm c485bpos-20230427.xsd c485bpos-20230427_cal.xml c485bpos-20230427_def.xml c485bpos-20230427_lab.xml c485bpos-20230427_pre.xml ex99bbylaws-bylaws.htm ex99gcustagreemt-cust1.htm ex99gcustagreemt-cust2.htm ex99hothmatcont-ela1.htm ex99hothmatcont-fa1.htm ex99hothmatcont-fa2.htm ex99hothmatcont-fa3.htm ex99hothmatcont-rps1.htm ex99hothmatcont-trsf1.htm ex99jotheropinin-opin1.htm ex99jotheropinin-poa.htm ex99jotheropinin-pwc.htm ex99pcodeeth-code.htm img_3e77d9a57e974f2.jpg img_3f139ce379324f2.jpg img_557dab44f5b94f2.jpg img_7ae72aedfec04f3.jpg img_89240283eee24f2.jpg img_bbded800071c4f2.jpg img_c54b381e293e4f1.jpg img_d7b52f9e57cb4f3.jpg img_fa945f0acc254f1.jpg BarChart1.png http://xbrl.sec.gov/dei/2022 http://xbrl.sec.gov/rr/2022 true true