Commitments - Schedule of Future Minimum Lease Payments, Operating Leases (Details) $ in Millions	Nov. 30, 2018 USD ($)
Schedule of Future Minimum Operating Lease Payments [Line Items]
2019 (remainder)	$ 1,385
2020	2,287
2021	2,061
2022	1,854
2023	1,626
Thereafter	8,513
Total	17,726
Aircraft and Related Equipment [Member]
Schedule of Future Minimum Operating Lease Payments [Line Items]
2019 (remainder)	281
2020	261
2021	203
2022	185
2023	127
Thereafter	48
Total	1,105
Facilities and Other [Member]
Schedule of Future Minimum Operating Lease Payments [Line Items]
2019 (remainder)	1,104
2020	2,026
2021	1,858
2022	1,669
2023	1,499
Thereafter	8,465
Total	$ 16,621