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v3.6.0.2

Debt - Additional Information (Detail) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 30, 2017 | Dec. 31, 2016
5% Senior Notes due 2024 |  |
Debt Instrument [Line Items] |  |
Debt instrument stated interest rate |  | 5.00%
United Airlines, Inc. |  |
Debt Instrument [Line Items] |  |
Borrowed principal amount |  | $ 369,000,000
United Airlines, Inc. | Minimum |  |
Debt Instrument [Line Items] |  |
Debt instrument maturity year |  | 2026
United Airlines, Inc. | Maximum |  |
Debt Instrument [Line Items] |  |
Debt instrument maturity year |  | 2028
United Airlines, Inc. | Surety Bond |  |
Debt Instrument [Line Items] |  |
Credit facility outstanding amount |  | $ 383,000,000
Credit facility expiration year |  | 2021
United Airlines, Inc. | Pass-through certificates |  |
Debt Instrument [Line Items] |  |
Long term debt |  | $ 7,500,000,000
United Airlines, Inc. | 5% Senior Notes due 2024 | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Borrowed principal amount | $ 300,000,000 |
Debt instrument maturity date | Feb. 01, 2024 |
Debt instrument stated interest rate | 5.00% |
Notes repurchase price | 101.00% |
United Airlines, Inc. | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Commitment fee percentage |  | 0.75%
United Airlines, Inc. | Letters of credit | Cash Collateralized Letters of Credit |  |
Debt Instrument [Line Items] |  |
Credit facility outstanding amount |  | $ 72,000,000
United Airlines, Inc. | Secured Debt |  |
Debt Instrument [Line Items] |  |
Quarterly principal repayment amount |  | 0.25%
United Airlines, Inc. | Secured Debt | Term Loan Facility Due April 2019 |  |
Debt Instrument [Line Items] |  |
Borrowed principal amount |  | $ 900,000,000
Long term debt |  | $ 866,000,000
Debt instrument maturity date |  | Apr. 01, 2019
United Airlines, Inc. | Secured Debt | Term Loan Facility Due September 2021 |  |
Debt Instrument [Line Items] |  |
Borrowed principal amount |  | $ 500,000,000
Long term debt |  | $ 192,000,000
Debt instrument maturity date |  | Sep. 15, 2021
United Airlines, Inc. | Secured Debt | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Credit agreement |  | $ 1,350,000,000
Available under revolving credit facility |  | $ 1,350,000,000
United Airlines, Inc. | Secured Debt | Revolving Credit Facility | Term Loan, due 2021 | LIBOR |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 3.00%
United Airlines, Inc. | Secured Debt | Revolving Credit Facility | Term Loan, due 2021 | Certain Market Interest Rates |  |
Debt Instrument [Line Items] |  |
Debt instrument, basis spread on variable rate |  | 2.00%
United Airlines, Inc. | Secured Debt | Revolving Credit Facility Available For Drawing until April 2018 |  |
Debt Instrument [Line Items] |  |
Credit agreement |  | $ 1,350,000,000
Revolving credit facility available for drawing date |  | 2018-04
United Airlines, Inc. | Secured Debt | Revolving Credit Facility Available For Drawing until January 2019 |  |
Debt Instrument [Line Items] |  |
Credit agreement |  | $ 1,315,000,000
Revolving credit facility available for drawing date |  | 2019-01

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- Definition Line of Credit Facility Expiration Dates + References No definition available. + Details
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- Definition Longterm Debt Maturities Repayments of Principal in Quarterly Installments Percent + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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(22)) -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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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