Document and Entity Information (USD $)	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2
Entity Registrant Name	DELTA AIR LINES INC /DE/
Entity Central Index Key	0000027904
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	843,005,966
Common Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001