Cost Method Investment, Restriction of Sale or Transfer of Shares Period

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- Definition

Debt Instrument, Guarantee Borrowings on Third Party Debt

+ References

No definition available.

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- Definition

Debt Instrument, Guarantee Borrowings on Third Party Debt, Term

+ References

No definition available.

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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- Definition

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

+ References

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 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75025870&loc=d3e40691-111596

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 35
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=75027002&loc=d3e40346-111594

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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
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

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

+ References

No definition available.

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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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.

+ References

No definition available.

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Investments - Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
Investments - Narrative (Details) - USD ($)	Oct. 11, 2017	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2017	Sep. 30, 2016
Schedule of Equity Method Investments [Line Items]
Purchase of equity investment				$ 795,000,000	$ 0
Available-for-sale equity securities, accumulated gross unrealized gain		$ 49,000,000		$ 49,000,000
Grupo Aeromexico
Schedule of Equity Method Investments [Line Items]
Purchase of equity investment		$ 173,000,000	$ 622,000,000
Equity method investment, ownership percentage		49.00%		49.00%
Virgin Atlantic
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		49.00%		49.00%
GOL
Schedule of Equity Method Investments [Line Items]
Equity interests, ownership percentage		9.00%		9.00%
Available-for-sale equity securities, accumulated gross unrealized gain		$ 50,000,000		$ 50,000,000
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 (in years)				5 years
China Eastern
Schedule of Equity Method Investments [Line Items]
Equity interests, ownership percentage		3.00%		3.00%
Air France-KLM \| Joint Venture \| Subsequent Event
Schedule of Equity Method Investments [Line Items]
Equity interests, ownership percentage	10.00%
Purchase of cost method investment	$ 448,000,000
Restriction period on sale or transfer of shares (in years)	5 years