v3.26.1
Interest in Honeywell Savings and Ownership Plan Master Trust - Master Trust’s Assets Measured at Fair Value (Details) - Honeywell Puerto Rico Savings Plan [Member] - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments $ 16,707 $ 16,223
Cash and Cash Equivalents [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 37  
Common Stocks [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 4,549 5,228
Exchange Traded Funds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 18 305
Asset Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 279 293
Bank Deposits [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 311 425
Commercial Mortgage Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 6 7
Corporate Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 571 602
U.S. Government and Federal Agencies [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 174 58
Municipal Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 7  
Non-US Government [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 47 127
Commercial Paper [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 292 256
Collective Trust Funds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 10,154 8,922
Level 1 [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 4,604 5,533
Level 1 [Member] | Cash and Cash Equivalents [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 37  
Level 1 [Member] | Common Stocks [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 4,549 5,228
Level 1 [Member] | Exchange Traded Funds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 18 305
Level 1 [Member] | Asset Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 1 [Member] | Bank Deposits [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 1 [Member] | Commercial Mortgage Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 1 [Member] | Corporate Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 1 [Member] | U.S. Government and Federal Agencies [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 1 [Member] | Municipal Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0  
Level 1 [Member] | Non-US Government [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 1 [Member] | Commercial Paper [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 2 [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 1,687 1,768
Level 2 [Member] | Cash and Cash Equivalents [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0  
Level 2 [Member] | Common Stocks [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 2 [Member] | Exchange Traded Funds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 2 [Member] | Asset Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 279 293
Level 2 [Member] | Bank Deposits [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 311 425
Level 2 [Member] | Commercial Mortgage Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 6 7
Level 2 [Member] | Corporate Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 571 602
Level 2 [Member] | U.S. Government and Federal Agencies [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 174 58
Level 2 [Member] | Municipal Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 7  
Level 2 [Member] | Non-US Government [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 47 127
Level 2 [Member] | Commercial Paper [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 292 256
Level 3 [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Cash and Cash Equivalents [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0  
Level 3 [Member] | Common Stocks [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Exchange Traded Funds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Asset Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Bank Deposits [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Commercial Mortgage Backed Securities [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Corporate Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | U.S. Government and Federal Agencies [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Municipal Bonds [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0  
Level 3 [Member] | Non-US Government [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments 0 0
Level 3 [Member] | Commercial Paper [Member]    
Interest in Honeywell Savings and Ownership Plan Master Trust [Abstract]    
Total Investments $ 0 $ 0