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

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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- Definition

Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Employer Sponsored Benefit Plans - Target Allocation and the Actual Allocation of Plan Assets (Details)	Dec. 31, 2019	Dec. 31, 2018
Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets (as a percent)	38.00%	16.00%
International equities
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets (as a percent)	25.00%	11.00%
Fixed income
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets (as a percent)	18.00%	49.00%
Real assets
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets (as a percent)	7.00%	3.00%
Hedge fund of funds
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets (as a percent)	9.00%	5.00%
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Actual Allocation of Plan Assets (as a percent)	3.00%	16.00%
Minimum \| Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	20.00%
Minimum \| International equities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	15.00%
Minimum \| Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	20.00%
Minimum \| Real assets
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	0.00%
Minimum \| Hedge fund of funds
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	5.00%
Minimum \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	0.00%
Maximum \| Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	40.00%
Maximum \| International equities
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	35.00%
Maximum \| Fixed income
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	45.00%
Maximum \| Real assets
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	10.00%
Maximum \| Hedge fund of funds
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	15.00%
Maximum \| Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Target Allocation (as a percent)	10.00%