Debt, Guarantees and Covenants (Details) - L3 Technologies [Member] $ in Millions	12 Months Ended
Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Ownership percentage	100.00%
Minimum consolidated interest coverage ratio under revolving credit facility covenants	300.00%
Minimum consolidated senior leverage ratio under revolving credit facility covenants	375.00%
Maximum consolidated senior leverage ratio under revolving credit facility covenants	400.00%
Minimum aggregate amount of indebtedness, swap contracts or guarantees to trigger cross default provisions	$ 75
Maximum days to cure defaults triggering cross default provisions	10 days
Minimum aggregate amount of senior notes accelerated to trigger cross default provisions	$ 100

The maximum consolidated senior leverage ratio under revolving credit facility covenants.

No definition available.

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- Definition

The maximum period to cure defaults triggering cross default provisions.

+ References

No definition available.

+ Details

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- Definition

The minimum aggregate amount of indebtedness swap contracts or guarantees to trigger cross default provisions.

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No definition available.

+ Details

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- Definition

the minimum aggregate amount of senior notes accelerated to trigger cross default provisions.

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No definition available.

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- Definition

The minimum consolidated interest coverage ratio under revolving credit facility covenants.

+ References

No definition available.

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- Definition

The minimum consolidated leverage ratio under revolving credit facility covenants.

+ References

No definition available.

+ Details

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- Definition

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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No definition available.

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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No definition available.

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- Details

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