XML 11 R1.htm IDEA: XBRL DOCUMENT v3.24.3
Document and Entity Information
Oct. 23, 2024
Document And Entity Information [Line Items]  
Entity Registrant Name SOUTHWEST AIRLINES CO
Amendment Flag false
Entity Central Index Key 0000092380
Document Type 8-K
Document Period End Date Oct. 23, 2024
Entity Incorporation State Country Code TX
Entity File Number 1-7259
Entity Tax Identification Number 74-1563240
Entity Address, Address Line One P. O. Box 36611
Entity Address, City or Town Dallas
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75235-1611
City Area Code (214)
Local Phone Number 792-4000
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock 1.00 Par Value 2 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock ($1.00 par value)
Trading Symbol LUV
Security Exchange Name NYSE
Common Stock Purchase Rights 1 [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock Purchase Rights
Security Exchange Name NYSE