v3.26.3
COVER
9 Months Ended
Sep. 26, 2026
shares
Cover [Abstract]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Sep. 26, 2026
Document Transition Report false
Entity File Number 001-43173
Entity Registrant Name Honeywell Aerospace Inc.
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 39-4202057
Entity Address, Address Line One 1944 E Sky Harbor Cir N
Entity Address, City or Town Phoenix,
Entity Address, State or Province AZ
Entity Address, Postal Zip Code 85034
City Area Code 800
Local Phone Number 601-3099
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol HONA
Security Exchange Name NASDAQ
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 317,031,836
Document Fiscal Period Focus Q3
Document Fiscal Year Focus 2026
Current Fiscal Year End Date --12-31
Amendment Flag false
Entity Central Index Key 0002089271