3.26.1 html 18 32 1 false 8 0 false 1 false false R1.htm 995100 - Document - Cover Sheet http://xbrl.sec.gov/dei/role/document/Cover Cover Cover 1 false false R2.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 2 false false R3.htm 995443 - Disclosure - Award Timing Disclosure Sheet http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure Award Timing Disclosure Notes 3 false false R4.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 4 false false All Reports Book All Reports bby-20260612.xsd bby-20260612_def.xml ny20063180x1_def14a.htm logo_bestbuy2025.jpg logo_bestbuy25-footer.jpg ny20063180x1_arrow.jpg ny20063180x1_boardcomp.jpg ny20063180x1_chair.jpg ny20063180x1_chairfin.jpg ny20063180x1_chairx1.jpg ny20063180x1_climate.jpg ny20063180x1_cmunce.jpg ny20063180x1_comheadtab.jpg ny20063180x1_coriesbarry.jpg ny20063180x1_corpesg.jpg ny20063180x1_cover.jpg ny20063180x1_davidk-let.jpg ny20063180x1_dnp.jpg ny20063180x1_engagement.jpg ny20063180x1_frank.jpg ny20063180x1_ftse4.jpg ny20063180x1_internet.jpg ny20063180x1_jadeja.jpg ny20063180x1_kenny.jpg ny20063180x1_kimbelld.jpg ny20063180x1_lcaputo.jpg ny20063180x1_mail.jpg ny20063180x1_marte.jpg ny20063180x1_mcloughlin.jpg ny20063180x1_member.jpg ny20063180x1_memberfin.jpg ny20063180x1_memberfinx1.jpg ny20063180x1_memberx1.jpg ny20063180x1_mwhittington.jpg ny20063180x1_parham.jpg ny20063180x1_paymix.jpg ny20063180x1_pc01.jpg ny20063180x1_pc02.jpg ny20063180x1_phone.jpg ny20063180x1_pvp01.jpg ny20063180x1_pvp02.jpg ny20063180x1_pvp03.jpg ny20063180x1_recognition3.jpg ny20063180x1_ribbon1a.jpg ny20063180x1_ribbon1b.jpg ny20063180x1_ribbon2b.jpg ny20063180x1_ribbon3.jpg ny20063180x1_risk.jpg ny20063180x1_round1.jpg ny20063180x1_round2.jpg ny20063180x1_skillmatrix.jpg ny20063180x1_srendle.jpg ny20063180x1_ssistani.jpg ny20063180x1_toddh-let.jpg sig_davidkenny25.jpg sig_toddghartman.jpg sig_toddghartmanx1.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false