Debt Instrument, Guarantee Borrowings on Third Party Debt

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- Definition

Debt Instrument, Guarantee Borrowings on Third Party Debt, Term

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- Definition

Maximum Settlement Value for Additional Share and Underlying Shares Related Related to Derivative

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- Definition

Percentage increase or (decrease) in an entity stock price.

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Percentage Increase (Decrease) In Entity Stock Price, Peak

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- Definition

Percentage increase or (decrease) in stock price relative to acquisition date price.

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- Definition

Potential Change In Ownership Percentage Based On Settlement of Derivative

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- Definition

Potential Change Ownership Percentage

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No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
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This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Trading Securities
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-Name Accounting Standards Codification
-Glossary Available-for-Sale Securities
-URI http://asc.fasb.org/extlink&oid=6505594

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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

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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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Investments - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
Investments - Narrative (Details) - USD ($)	Oct. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]
Loss on investments		$ (42,000,000)	$ 45,000,000	$ (10,000,000)
Virgin Atlantic
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest, ownership percentage by parent					49.00%
Grupo Aeromexico
Schedule of Equity Method Investments [Line Items]
Ownership percentage		4.20%
Potential change in ownership percentage based on settlement of derivative		12.80%
Potential change ownership percentage		49.00%
Maximum settlement value for additional shares		$ 765,000,000
GOL
Schedule of Equity Method Investments [Line Items]
Ownership percentage			9.50%
GOL \| Preferred stock
Schedule of Equity Method Investments [Line Items]
Fair value of investment		46,000,000
Loss on investments		$ 44,000,000	$ 84,000,000
Percentage increase in stock price at peak	200.00%
Percentage increase in stock price		80.00%
GOL \| Term loan facility
Schedule of Equity Method Investments [Line Items]
Guarantee borrowings on third party debt			$ 300,000,000
Guarantee borrowings on third party debt, term			5 years
China Eastern
Schedule of Equity Method Investments [Line Items]
Ownership percentage in cost method investments		3.20%
Percentage decrease of stock price since acquisition date		(6.00%)