Employee Benefits Disclosure [Line Items]

No definition available.

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- Definition

Employer contribution as a percentage of total contributions made by all plan participants

+ References

No definition available.

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- Definition

Multi Employer Plans Funded Percentage

+ References

No definition available.

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- Definition

Multiemployer Plans, Number

+ References

No definition available.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

Amount of cost for defined contribution plan.

+ References

+ Details

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of cost (reversal of cost) for pension benefits. Excludes other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(2))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(4))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Details

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- Details

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Compensation Plans - Additional Information (Details) shares in Millions, $ in Millions	12 Months Ended
	Nov. 30, 2017 USD ($) plan shares	Nov. 30, 2016 USD ($)	Nov. 30, 2015 USD ($)	Mar. 31, 2015	Mar. 31, 2014
Employee Benefits Disclosure [Line Items]
Shares available for future grant (in shares) \| shares	15.5
Award vesting period	3 years
Unrecognized compensation cost	$ 59
Weighted-average period over which cost is expected to be recognized	1 year 4 months 24 days
Pension expense	$ 53	$ 27	$ 47
Defined contribution plans, total expense	$ 37	$ 30	$ 30
Multiemployer Defined Benefit Pension Plan
Employee Benefits Disclosure [Line Items]
Number of multiemployer plans \| plan	2
Multiemployer Defined Benefit Pension Plan \| MNOPF
Employee Benefits Disclosure [Line Items]
Funded percentage				90.00%	67.00%
Employer contribution as a percentage of total contributions made by all plan participants	5.00%	5.00%	5.00%
Multiemployer Defined Benefit Pension Plan \| MNRPF
Employee Benefits Disclosure [Line Items]
Employer contribution as a percentage of total contributions made by all plan participants	5.00%	5.00%	5.00%
Pension Plan
Employee Benefits Disclosure [Line Items]
Weighted-average discount rates	2.70%	2.90%
Restricted Stock Awards
Employee Benefits Disclosure [Line Items]
Award vesting period	3 years
Restricted Stock Units
Employee Benefits Disclosure [Line Items]
Award vesting period	3 years