v3.26.1
JOHNSON CONTROLS, INC. SAVINGS AND INVESTMENT MASTER TRUST - Schedule of Master Trust Investments Assets at Fair Value (Details) - EBP 001 - EBP, Nonconsolidated, Master Trust - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Master Trust [Line Items]    
Total investments at fair value $ 7,676,102,345 $ 7,080,136,143
Common Stock Funds    
EBP, Master Trust [Line Items]    
Total investments at fair value 518,328,741 389,204,925
Other Separate Accounts    
EBP, Master Trust [Line Items]    
Total investments at fair value 7,157,773,604 6,690,931,218
Fair Value, Inputs, Level 1    
EBP, Master Trust [Line Items]    
Total investments at fair value 518,328,741 389,204,925
Fair Value, Inputs, Level 1 | Common Stock Funds    
EBP, Master Trust [Line Items]    
Total investments at fair value 518,328,741 389,204,925
Fair Value, Inputs, Level 1 | Other Separate Accounts    
EBP, Master Trust [Line Items]    
Total investments at fair value 0 0
Fair Value, Inputs, Level 2    
EBP, Master Trust [Line Items]    
Total investments at fair value 7,157,773,604 6,690,931,218
Fair Value, Inputs, Level 2 | Common Stock Funds    
EBP, Master Trust [Line Items]    
Total investments at fair value 0 0
Fair Value, Inputs, Level 2 | Other Separate Accounts    
EBP, Master Trust [Line Items]    
Total investments at fair value 7,157,773,604 6,690,931,218
Fair Value, Inputs, Level 3    
EBP, Master Trust [Line Items]    
Total investments at fair value 0 0
Fair Value, Inputs, Level 3 | Common Stock Funds    
EBP, Master Trust [Line Items]    
Total investments at fair value 0 0
Fair Value, Inputs, Level 3 | Other Separate Accounts    
EBP, Master Trust [Line Items]    
Total investments at fair value $ 0 $ 0