Commitments (Details 1) (USD $) In Millions, unless otherwise specified	Nov. 30, 2014
Schedule of Purchase Commitments [Line Items]
2015 (remainder)	$ 1,161
2016	1,559
2017	1,208
2018	1,503
2019	1,080
Thereafter	4,573
Total	11,084
Aircraft And Related Equipment Commitments [Member]
Schedule of Purchase Commitments [Line Items]
2015 (remainder)	709
2016	1,230
2017	1,033
2018	1,402
2019	1,022
Thereafter	4,472
Total	9,868
Other Commitments [Member]
Schedule of Purchase Commitments [Line Items]
2015 (remainder)	452	[1]
2016	329	[1]
2017	175	[1]
2018	101	[1]
2019	58	[1]
Thereafter	101	[1]
Total	$ 1,216	[1]

[1] Primarily equipment, advertising contracts and contributions to our U.S. Pension Plans, which are further described in Note 5.