3.24.4 html 26 27 1 false 11 0 false 2 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 All Reports Book All Reports jci-20240930.xsd jci-20240930_def.xml jci-20240930_lab.xml jci-20240930_pre.xml tm2427080-d3_def14a.htm bc_ebitnonpeo-pn.jpg bc_ebitpeo-pn.jpg bc_netincomenonpeo-pn.jpg bc_netincomepeo-pn.jpg bc_tsrnonpeo-pn.jpg bc_tsrpeo-pn.jpg bn_johnson-pn.jpg bx_incentive-pn.jpg cv_ofc-pn.jpg fc_boardmission-pn.jpg fc_committee-pn.jpg fc_evaluationprocess-pn.jpg fc_financial-pn.jpg fc_leaddirector-pn.jpg fc_leading-pn.jpg fc_propose-pn.jpg fc_spotlight-pn.jpg fc_sustainability-pn.jpg hd_gradientbar-pn.jpg ic_climate-pn.jpg ic_date-ko.gif ic_diversity-pn.jpg ic_place-ko.gif ic_record-ko.gif ic_socialimpact-pn.jpg ic_stewardship-pn.jpg ic_sustainable-pn.jpg lg_johnson-pn.jpg pc_boardrefresh-pn.jpg pc_compensation-pn.jpg pc_incentive-pn.jpg pc_zeroharm-pn.jpg ph_ayeshakhanna-4c.jpg ph_georgeroliver-4c.jpg ph_georgeroliversm-4c.jpg ph_gretchenrhaggerty-4clr.jpg ph_jeanblackwell-4c.jpg ph_johndyoung-4c.jpg ph_jurgentinggren-4c.jpg ph_markvergnano-4c.jpg ph_patrickdecker-4clr.jpg ph_pierrecohade-4c.jpg ph_seetaramaswamy-4c.jpg ph_timothyarcher-4c.jpg ph_wroydunbar-4clr.jpg px_25johnsonproxy1pg01-bw.jpg px_25johnsonproxy1pg02-bw.jpg sg_georgeroliver-bw.jpg sg_johndonofrio-bw.jpg tb_director-pn.jpg tbl_notable-pn.jpg http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 true false