Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2013

Leases [Abstract]

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

Capital Leases

Years Ending December 31, (in millions)	Total
2014	$	165
2015	158
2016	143
2017	100
2018	54
Thereafter	74
Total minimum lease payments	694
Less: amount of lease payments representing interest	(197		)
Present value of future minimum capital lease payments	497
Less: current obligations under capital leases	(98		)
Long-term capital lease obligations	$	399

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Operating Leases

Years Ending December 31, (in millions)	Delta Lease Payments(1)		Contract Carrier Aircraft Lease Payments(2)		Total
2014	$	1,079	$	350	$	1,429
2015	1,028		328		1,356
2016	900		286		1,186
2017	785		241		1,026
2018	635		196		831
Thereafter	5,442		224		5,666
Total minimum lease payments	$	9,869	$	1,625	$	11,494