Fair Value Measurements, Derivative Instruments and Hedging Activities - Estimated Carrying and Fair Values of Financial Instrument Assets and Liabilities Not Measured at Fair Value on Recurring Basis (Detail) - Financial Instruments Not Measured at Fair Value on a Recurring Basis - USD ($) $ in Millions	Aug. 31, 2015	Nov. 30, 2014
Carrying Value
Assets
Cash and cash equivalents	$ 329	$ 240
Restricted cash	7	11
Long-term other assets	129	156
Total	465	407
Liabilities
Total	7,860	9,088
Carrying Value | Fixed Rate
Liabilities
Debt	4,027	4,433
Carrying Value | Floating Rate
Liabilities
Debt	3,833	4,655
Fair Value | Level 1
Assets
Cash and cash equivalents	329	240
Restricted cash	7	11
Long-term other assets	1	1
Total	337	252
Liabilities
Total	0	0
Fair Value | Level 1 | Fixed Rate
Liabilities
Debt	0	0
Fair Value | Level 1 | Floating Rate
Liabilities
Debt	0	0
Fair Value | Level 2
Assets
Cash and cash equivalents	0	0
Restricted cash	0	0
Long-term other assets	95	103
Total	95	103
Liabilities
Total	8,140	9,305
Fair Value | Level 2 | Fixed Rate
Liabilities
Debt	4,296	4,743
Fair Value | Level 2 | Floating Rate
Liabilities
Debt	3,844	4,562
Fair Value | Level 3
Assets
Cash and cash equivalents	0	0
Restricted cash	0	0
Long-term other assets	36	49
Total	36	49
Liabilities
Total	0	0
Fair Value | Level 3 | Fixed Rate
Liabilities
Debt	0	0
Fair Value | Level 3 | Floating Rate
Liabilities
Debt	$ 0	$ 0