Secured Debt, Number of Aircrafts Securing Debt Financing

No definition available.

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Namespace Prefix:	alk_
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- Definition

Net increase or decrease in the carrying amount of the debt instrument for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ 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.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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- Details

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- Details

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LONG-TERM DEBT LONG-TERM DEBT - SECURED DEBT (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) aircraft	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Debt Instrument [Line Items]
Debt instrument, increase	$ 2,300
Secured debt, number of aircrafts securing debt financing \| aircraft	56
Long-term debt payments	$ 249	$ 116	$ 119
Repayments of debt	12
Secured Debt [Member]
Debt Instrument [Line Items]
Proceeds from issuance of secured debt	2,000
Secured Debt [Member] \| Secured Debt, Aircraft Collateral [Member]
Debt Instrument [Line Items]
Proceeds from issuance of secured debt	1,600
Secured Debt [Member] \| Secured Debt, Aircraft Purchase Agreements [Member]
Debt Instrument [Line Items]
Proceeds from issuance of secured debt	$ 400
Boeing, 737-900ER [Member]
Debt Instrument [Line Items]
Secured debt, number of aircrafts securing debt financing \| aircraft	37
B737-800 [Member]
Debt Instrument [Line Items]
Secured debt, number of aircrafts securing debt financing \| aircraft	19
Virgin America Inc. [Member]
Debt Instrument [Line Items]
Long-term debt payments	$ 95