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JFK Terminal 5 (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) a ft² airport_gate	Dec. 31, 2018 USD ($)
JFK Terminal 5 (Textual) [Abstract]
Responsible for construction under facility lease agreement of 26-gate terminal | ft²	635,000
Number of Gates in a Terminal | airport_gate	26
Number of International Arrival Gates, New Gates and Gates Converted from T5 | airport_gate	6
Number of International Arrival Gates, New Gates | airport_gate	3
Number of International Arrival Gates, Gates Converted from T5 | airport_gate	3
Lease agreement extension, additional area of property | a	19
Assets Constructed for Others Recognized Prior to the Adoption of ASC 842 Leases		$ 561
Construction Obligation Recognized Prior to the Adoption of ASC 842 Leases		424
JFK Terminal 5 [Member]
JFK Terminal 5 (Textual) [Abstract]
Total costs incurred for the elements of the project subject to underlying ground lease		637
Leasehold improvements included in ground property and equipment		$ 76
JFK Terminal 5 International [Member]
JFK Terminal 5 (Textual) [Abstract]
Total costs incurred for the elements of the project subject to underlying ground lease	$ 207

X

- Definition

The total gross costs incurred by a lessee (the company) for physical assets and the costs to assemble them on property that is subject to a ground lease. The lessee is considered the owner of these assets for financial reporting purposes, even though some or all of these costs may have been reimbursed by the lesser but the criteria to qualify for sale-leaseback accounting treatment were not satisfied.

+ References

No definition available.

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X

- Definition

The liability related to the reimbursement by the lesser of costs associated with assets constructed for others (physical assets and the costs to assemble them on property that is subject to a ground lease).

+ References

No definition available.

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X

- Definition

Lease Agreement Extension, Additional Area of Property

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X

- Definition

Lease arrangement.

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No definition available.

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- Definition

Net area responsible for construction under facility lease agreement of terminal.

+ References

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- Definition

Net costs for terminal construction project subject to underlying ground lease.

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X

- Definition

Number of Gates in a Terminal

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- Definition

Number of International Arrival Gates, Gates Converted from T5

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- Definition

Number of International Arrival Gates, New Gates

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- Definition

Number of International Arrival Gates, New Gates and Gates Converted from T5

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- Definition

Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6812-107765

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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