v3.22.2.2
Document
Sep. 25, 2022
Document Information [Line Items]  
Entity Central Index Key 0000092380
Soliciting Material false
Entity Incorporation, State or Country Code TX
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
Document Type 8-K
Document Period End Date Sep. 25, 2022
Entity Registrant Name SOUTHWEST AIRLINES CO.
Entity File Number 1-7259
Entity Tax Identification Number 74-1563240
City Area Code 214
Local Phone Number 792-4000
Written Communications false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
NEW YORK STOCK EXCHANGE, INC.  
Document Information [Line Items]  
Title of 12(b) Security Common Stock ($1.00 par value)
Trading Symbol LUV
Security Exchange Name NYSE