Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	Feb. 28, 2021	Nov. 30, 2020	Feb. 29, 2020	Nov. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents (Consolidated Balance Sheets)	$ 9,674	$ 9,513
Restricted cash included in prepaid expenses and other and other assets	155	179
Total cash, cash equivalents and restricted cash (Consolidated Statements of Cash Flows)	$ 9,829	$ 9,692	$ 1,368	$ 530

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586

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