Share-Based Compensation (Details) $ in Millions	3 Months Ended
Feb. 28, 2019 USD ($) shares	Nov. 30, 2018 USD ($) company shares
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		261,642
Vesting term		5 years
Vesting percentage per year		20.00%
Shares granted, fair value \| $		$ 7
Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		254,620
Performance Shares (PSUs) \| Total Shareholder Return (TSR)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		123,812
Shares granted, fair value \| $		$ 4
Total Shareholder Return Designated Peer Group \| company		16
Performance period		3 years
Performance Shares (PSUs) \| Total Shareholder Return (TSR) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance Based Awards Award Payouts Threshold		50.00%
Performance Shares (PSUs) \| Total Shareholder Return (TSR) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance Based Awards Award Payouts Threshold		200.00%
Performance Shares (PSUs) \| Return on Capital Employed (ROCE)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		130,808
Shares granted, fair value \| $		$ 4
Performance period		3 years
Performance Shares (PSUs) \| Return on Capital Employed (ROCE) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance Based Awards Award Payouts Threshold		50.00%
Performance Shares (PSUs) \| Return on Capital Employed (ROCE) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance Based Awards Award Payouts Threshold		200.00%
Deferred Stock Units (DSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted, fair value \| $	$ 1
Deferred Stock Units (DSUs) \| Non-employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)	31,218

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Total Fair Value

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- Definition

TSR Designated Peer Group

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage of vesting of share-based compensation awards.

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