v3.25.2
Cover Page - shares
 6 Months Ended
Jun. 30, 2025
Jul. 15, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-39221  
Entity Registrant Name OTIS WORLDWIDE CORPORATION  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 83-3789412  
Entity Address, Address Line One One Carrier Place  
Entity Address, City or Town Farmington  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06032  
City Area Code 860  
Local Phone Number 674-3000  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   392,475,229
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0001781335  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock ($0.01 par value)  
Trading Symbol OTIS  
Security Exchange Name NYSE  
0.318% Notes due 2026    
Document Information [Line Items]    
Title of 12(b) Security 0.318% Notes due 2026  
Trading Symbol OTIS/26  
Security Exchange Name NYSE  
2.875% Notes due 2027    
Document Information [Line Items]    
Title of 12(b) Security 2.875% Notes due 2027  
Trading Symbol OTIS/27  
Security Exchange Name NYSE  
0.934% Notes due 2031    
Document Information [Line Items]    
Title of 12(b) Security 0.934% Notes due 2031  
Trading Symbol OTIS/31  
Security Exchange Name NYSE