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.

No definition available.

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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Employer Sponsored Benefit Plan (Target Allocation and the Actual Allocation of Plan Assets) (Detail) - Domestic Pension Plan	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
U.S. Equity
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets	42.00%	43.00%
Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets	21.00%	19.00%
Emerging Markets
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets	6.00%	6.00%
U.S. Bond funds
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets	25.00%	26.00%
Non-U.S. Bond funds
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets	3.00%	3.00%
Real estate investment trusts
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets	0.00%	0.00%
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets	3.00%	3.00%
Maximum \| U.S. Equity
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	60.00%
Maximum \| Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	25.00%
Maximum \| Emerging Markets
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	9.00%
Maximum \| U.S. Bond funds
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	38.00%
Maximum \| Non-U.S. Bond funds
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	8.00%
Maximum \| Real estate investment trusts
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	8.00%
Maximum \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	5.00%
Minimum \| U.S. Equity
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	22.00%
Minimum \| Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	15.00%
Minimum \| Emerging Markets
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	3.00%
Minimum \| U.S. Bond funds
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	12.00%
Minimum \| Non-U.S. Bond funds
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	2.00%
Minimum \| Real estate investment trusts
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%
Minimum \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%