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Stock-Based Compensation - Summary of Stock Option Activity (Details) - Stock Options - $ / shares shares in Millions	6 Months Ended
	May 31, 2021	May 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period, Number of Shares	4.5	5.2
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	0.8	0.8
Exercised, Number of Shares	0.1	0.8
Outstanding at end of period, Number of Shares	5.2	5.2
Excercisable at end of the period, Number of Shares	3.8	4.0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period, Weighted-Average Exercise Price	$ 53.56	$ 48.09
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	89.16	69.31
Exercised, Weighted-Average Exercise Price	44.22	38.74
Outstanding at end of period, Weighted-Average Exercise Price	59.46	52.11
Exercisable at end of the period, Weighted-Average Exercise Price	$ 51.08	$ 46.83

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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