Shareholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	Nov. 30, 2018	Nov. 30, 2017
Equity [Abstract]
Cumulative foreign currency translation adjustments, net	$ (1,875)	$ (1,675)
Unrecognized pension expenses	(56)	(94)
Net losses on cash flow derivative hedges	(19)	(13)
Accumulated other comprehensive (loss) income	$ (1,949)	$ (1,782)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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