Commitments (Details 3) (USD $) In Millions, unless otherwise specified	Nov. 30, 2013
Schedule of Future Minimum Operating Lease Payments [Line Items]
2014 (remainder)	$ 775
2015	1,192
2016	1,060
2017	1,180
2018	804
Thereafter	4,861
Total	9,872
Aircraft and Related Equipment [Member]
Schedule of Future Minimum Operating Lease Payments [Line Items]
2014 (remainder)	395
2015	448
2016	453
2017	391
2018	326
Thereafter	824
Total	2,837
Facilities and Other [Member]
Schedule of Future Minimum Operating Lease Payments [Line Items]
2014 (remainder)	380
2015	744
2016	607
2017	789
2018	478
Thereafter	4,037
Total	$ 7,035