v3.26.1
JOHNSON CONTROLS, INC. SAVINGS AND INVESTMENT MASTER TRUST - Narrative (Details) - EBP 026 - $ / shares
Dec. 31, 2025
Dec. 31, 2024
EBP, Employer, Common Stock Fund    
EBP, Master Trust [Line Items]    
Number of shares held in investment 20,174,948 22,566,104
Unit value (in dollars per share) $ 25.05 $ 16.61
EBP, Nonemployer, Common Stock Fund    
EBP, Master Trust [Line Items]    
Number of shares held in investment   1,489,648
Unit value (in dollars per share)   $ 4.19