Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Reconciliation of Changes in Carrying Amounts of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended
Feb. 28, 2021	Feb. 29, 2020
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 807
Foreign currency translation adjustment	7
Goodwill, ending balance	814
Goodwill impairments	0	$ 731
NAA Segment
Goodwill [Roll Forward]
Goodwill, beginning balance	579
Foreign currency translation adjustment	0
Goodwill, ending balance	579
Goodwill impairments		300
EA Segment
Goodwill [Roll Forward]
Goodwill, beginning balance	228
Foreign currency translation adjustment	8
Goodwill, ending balance	$ 235
Goodwill impairments		$ 431

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration