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Debt (Institutional Secured Term Loans Narrative) (Details)		12 Months Ended
	Apr. 05, 2013 USD ($)	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($)	Mar. 06, 2014 USD ($)	Feb. 29, 2012 USD ($)	Mar. 31, 2011 USD ($)
Debt Instrument [Line Items]
Long-term Debt		$ 29,806,843,000	$ 30,402,392,000
Hyperion Facility [Member]
Debt Instrument [Line Items]
Credit facility, current borrowing capacity				$ 1,500,000,000
Number of aircraft designated as collateral | item		83
Debt Instrument, Collateral Amount		$ 2,250,000,000
Maturity date of facility		Mar. 01, 2021
Hyperion Facility [Member] | Scenario, Actual [Member]
Debt Instrument [Line Items]
Loan-to-value ratio		66.70%
Hyperion Facility [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Spread over reference rate		1.75%
Hyperion Facility [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Spread over reference rate		2.75%
Interest rate floor		0.75%
Vancouver Facility [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 750,000,000
Credit facility, current borrowing capacity					$ 900,000,000
Prepayment of debt	$ 150,000,000
Number of aircraft designated as collateral | item		57
Debt Instrument, Collateral Amount		$ 1,360,000,000
Debt instrument, extension of maturity date		Apr. 01, 2020
Vancouver Facility [Member] | Scenario, Actual [Member]
Debt Instrument [Line Items]
Loan-to-value ratio		55.00%
Vancouver Facility [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Spread over reference rate		1.75%
Vancouver Facility [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Spread over reference rate		2.75%
Interest rate floor		0.75%
Temescal Facility [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 1,000,000,000
Credit facility, current borrowing capacity		$ 1,500,000,000				$ 1,300,000,000
Number of aircraft designated as collateral | item		54
Debt Instrument, Collateral Amount		$ 1,760,000,000
Maturity date of facility		Mar. 01, 2021
Temescal Facility [Member] | Scenario, Actual [Member]
Debt Instrument [Line Items]
Loan-to-value ratio		60.80%
Temescal Facility [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Spread over reference rate		1.00%
Temescal Facility [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Spread over reference rate		2.00%
Temescal Facility Before Amendment [Member]
Debt Instrument [Line Items]
Maturity date of facility		Mar. 01, 2018
Temescal Facility Before Amendment [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Spread over reference rate		1.75%
Temescal Facility Before Amendment [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Spread over reference rate		2.75%
Glide Funding Term Loan Facility [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 32,700,000
Credit facility, current borrowing capacity		$ 500,000,000
Debt Instrument, Term		5 years
Spread over reference rate		1.60%
Number of aircraft designated as collateral | item		1
Number of aircraft financed | item		9
Celtago Facility [Member]
Debt Instrument [Line Items]
Credit facility, current borrowing capacity		$ 817,000,000
Loans outstanding		$ 0
Maturity date of facility		Dec. 01, 2024
Celtago Facility [Member] | Base Rate [Member]
Debt Instrument [Line Items]
Spread over reference rate		1.50%
Celtago Facility [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Spread over reference rate		1.50%
Maximum [Member] | Hyperion Facility [Member]
Debt Instrument [Line Items]
Loan-to-value ratio		70.00%
Maximum [Member] | Vancouver Facility [Member]
Debt Instrument [Line Items]
Loan-to-value ratio		63.00%
Maximum [Member] | Temescal Facility [Member]
Debt Instrument [Line Items]
Loan-to-value ratio		62.40%

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Debt Instrument, Aircraft Collateral Number

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The loan to value ratio required as per the terms of the debt agreement.

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Debt instrument, extension of maturity date

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Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
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-Number 210
-Section 02
-Paragraph 20
-Article 5

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Amount of assets pledged to secure a debt instrument.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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