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+ References

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The total number of new claims filed pertaining to a loss contingency during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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Best estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 10
-Subparagraph (c),(d)(2)
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 10
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859

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Legal Proceedings and Contingencies (Details) $ in Millions				1 Months Ended	9 Months Ended
Legal Proceedings and Contingencies (Details) $ in Millions	Mar. 18, 2019 claim	Jan. 04, 2019 claim	Mar. 31, 2016 party	Jan. 15, 2019 claim	Mar. 29, 2019 USD ($)
Exelis \| Passaic River Alaska
Loss Contingencies [Line Items]
Number of potentially responsible parties notified (over 100) \| party			100
Estimated cost for all participating parties of EPA's preferred alternative \| $					$ 1,380
L3 Harris Technologies, Inc. \| Pending Litigation \| Putative Class Action Lawsuit \| L3 Parties
Loss Contingencies [Line Items]
Number of lawsuits filed				2
L3 Harris Technologies, Inc. \| Pending Litigation \| Putative Class Action Lawsuit \| Kent v. L3 Technologies, Inc.
Loss Contingencies [Line Items]
Number of lawsuits filed		1
L3 Harris Technologies, Inc. \| Pending Litigation \| Individual Lawsuit \| L3 Parties
Loss Contingencies [Line Items]
Number of lawsuits filed				1
L3 Harris Technologies, Inc. \| Dismissed Litigation
Loss Contingencies [Line Items]
Number of lawsuits filed	4