Commitments and Contingencies (Details 2)	12 Months Ended
	Dec. 31, 2012
Delta Pilots [Member]
Entity Number of Employees	10,700
Union Representing Employee Group	ALPA
Date Which Collective Bargaining Agreement Becomes Amendable	Dec. 31, 2015
Delta Flight Superintendents (Dispatchers) [Member]
Entity Number of Employees	340
Union Representing Employee Group	PAFCA
Date Which Collective Bargaining Agreement Becomes Amendable	Dec. 31, 2013