Cover
Jun. 17, 2021
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 17, 2021
Entity File Number 001-05424
Entity Registrant Name DELTA AIR LINES, INC.
Entity Central Index Key 0000027904
Entity Tax Identification Number 58-0218548
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One P.O. Box 20706
Entity Address, City or Town Atlanta
Entity Address, State or Province GA
Entity Address, Postal Zip Code 30320-6001
City Area Code (404)
Local Phone Number 715-2600
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol DAL
Security Exchange Name NYSE
Entity Emerging Growth Company false