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	Feb. 29, 2016	Nov. 30, 2015
Carrying Value
Assets
Cash and cash equivalents	$ 579	$ 647
Restricted cash	3	7
Long-term other assets	117	119
Total	699	773
Liabilities
Total	9,068	8,787
Carrying Value | Fixed Rate
Liabilities
Debt	5,203	5,193
Carrying Value | Floating Rate
Liabilities
Debt	3,865	3,594
Fair Value | Level 1
Assets
Cash and cash equivalents	579	647
Restricted cash	3	7
Long-term other assets	1	1
Total	583	655
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	86	87
Total	86	87
Liabilities
Total	9,259	9,039
Fair Value | Level 2 | Fixed Rate
Liabilities
Debt	5,463	5,450
Fair Value | Level 2 | Floating Rate
Liabilities
Debt	3,796	3,589
Fair Value | Level 3
Assets
Cash and cash equivalents	0	0
Restricted cash	0	0
Long-term other assets	31	31
Total	31	31
Liabilities
Total	0	0
Fair Value | Level 3 | Fixed Rate
Liabilities
Debt	0	0
Fair Value | Level 3 | Floating Rate
Liabilities
Debt	$ 0	$ 0