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Financial Derivative Instruments (Tables) | 6 Months Ended
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Jun. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Volume of Fuel Hedging | The following table provides information about the Company’s volume of fuel hedging on an economic basis:
|  | Maximum fuel hedged as of |  |
|  | June 30, 2020 |  | Derivative underlying commodity type as of
Period (by year) |  | (gallons in millions) (a) |  | June 30, 2020
Remainder of 2020 |  | 460 |  |  | WTI crude oil, Brent crude oil, and Heating oil
2021 |  | 1,283 |  |  | WTI crude oil and Brent crude oil
2022 |  | 1,056 |  |  | WTI crude oil and Brent crude oil
Beyond 2022 |  | 529 |  |  | WTI crude oil and Brent crude oil
(a) Due to the types of derivatives utilized by the Company and different price levels of those contracts, these volumes represent the maximum economic hedge in place and may vary significantly as market prices and the Company's flight schedule fluctuates.
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | The following table presents the location of all assets and liabilities associated with the Company’s derivative instruments within the unaudited Condensed Consolidated Balance Sheet:
|  |  |  | Asset derivatives |  |  |  | Liability derivatives |  |
|  | Balance Sheet |  | Fair value at |  | Fair value at |  | Fair value at |  | Fair value at
(in millions) |  | location |  | 6/30/2020 |  | 12/31/2019 |  | 6/30/2020 |  | 12/31/2019
Derivatives designated as hedges (a) |  |  |  |  |  |  |  |  |  |
Fuel derivative contracts (gross) |  | Prepaid expenses and other current assets |  | $ | 7 |  |  | $ | 48 |  |  | $ | — |  |  | $ | — |
Fuel derivative contracts (gross) |  | Other assets |  | 99 |  |  | 62 |  |  | — |  |  | — |
Interest rate derivative contracts |  | Prepaid expenses and other current assets |  | 2 |  |  | — |  |  | — |  |  | — |
Interest rate derivative contracts |  | Other assets |  | — |  |  | 2 |  |  | — |  |  | — |
Interest rate derivative contracts |  | Accrued liabilities |  | — |  |  | — |  |  | — |  |  | 5 |
Interest rate derivative contracts |  | Other noncurrent liabilities |  | — |  |  | — |  |  | 14 |  |  | 1 |
Total derivatives designated as hedges |  |  |  | $ | 108 |  |  | $ | 112 |  |  | $ | 14 |  |  | $ | 6 |
Derivatives not designated as hedges (a) |  |  |  |  |  |  |  |  |  |
Fuel derivative contracts (gross) |  | Prepaid expenses and other current assets |  | $ | 1 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest rate derivative contracts |  | Accrued liabilities |  | — |  |  | — |  |  | 60 |  |  | — |
Total derivatives not designated as hedges |  |  |  | $ | 1 |  |  | $ | — |  |  | $ | 60 |  |  | $ | — |
Total derivatives |  |  |  | $ | 109 |  |  | $ | 112 |  |  | $ | 74 |  |  | $ | 6 |
(a) Represents the position of each trade before consideration of offsetting positions with each counterparty and does not include the impact of cash collateral deposits provided to or received from counterparties. See discussion of credit risk and collateral following in this Note.
Schedule of Derivative Instruments Statements of Financial Performance and Financial Position, Location | The following table presents the amounts recorded on the unaudited Condensed Consolidated Balance Sheet related to fair value hedges:
Balance Sheet location of hedged item |  | Carrying amount of the hedged liabilities |  |  |  | Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged liabilities (a) |  |
|  | June 30, |  |  |  | June 30, |  |
(in millions) |  | 2020 |  | 2019 |  | 2020 |  | 2019
Current maturities of long-term debt |  | $ | 502 |  |  | $ | 300 |  |  | $ | 2 |  |  | $ | 1 |
Long-term debt less current maturities |  | — |  |  | 500 |  |  | 18 |  |  | 18 |
|  | $ | 502 |  |  | $ | 800 |  |  | $ | 20 |  |  | $ | 19 |
(a) At June 30, 2020 and 2019, these amounts include the cumulative amount of fair value hedging adjustments remaining for which hedge accounting has been discontinued, of $18 million and $19 million, respectively.
Cash Collateral Deposits Due To or From Third Parties | In addition, the Company had the following amounts associated with fuel derivative instruments and hedging activities in its unaudited Condensed Consolidated Balance Sheet:
|  | Balance Sheet |  | June 30, |  | December 31,
(in millions) |  | location |  | 2020 |  | 2019
Cash collateral deposits held from counterparties for fuel contracts - current |  | Offset against Prepaid expenses and other current assets |  | $ | 1 |  |  | $ | 10 |
Cash collateral deposits held from counterparties for fuel contracts - noncurrent |  | Offset against Other assets |  | 31 |  |  | 15 |
Offsetting Assets | The Company has the following recognized financial assets and financial liabilities resulting from those transactions that meet the scope of the disclosure requirements as necessitated by applicable accounting guidance for balance sheet offsetting:
Offsetting of derivative assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(in millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  | (i) |  | (ii) |  | (iii) = (i) + (ii) |  | (i) |  | (ii) |  | (iii) = (i) + (ii) |
|  |  |  | June 30, 2020 |  |  |  |  |  | December 31, 2019 |  |  |  |  |
Description |  | Balance Sheet location |  | Gross amounts of recognized assets |  | Gross amounts offset in the Balance Sheet |  | Net amounts of assets presented in the Balance Sheet |  | Gross amounts of recognized assets |  | Gross amounts offset in the Balance Sheet |  | Net amounts of assets presented in the Balance Sheet |
Fuel derivative contracts |  | Prepaid expenses and other current assets |  | $ | 8 |  |  | $ | (1) |  |  | $ | 7 |  |  | $ | 48 |  |  | $ | (10) |  |  | $ | 38 |  |
Fuel derivative contracts |  | Other assets |  | $ | 99 |  |  | $ | (31) |  |  | $ | 68 |  | (a) | $ | 62 |  |  | $ | (15) |  |  | $ | 47 |  | (a)
Interest rate derivative contracts |  | Prepaid expenses and other current assets |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |
Interest rate derivative contracts |  | Other assets |  | $ | — |  |  | $ | — |  |  | $ | — |  | (a) | $ | 2 |  |  | $ | — |  |  | $ | 2 |  | (a)
(a) The net amounts of derivative assets and liabilities are reconciled to the individual line item amounts presented in the unaudited Condensed Consolidated Balance Sheet in Note 10.
Offsetting Liabilities |
Offsetting of derivative liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(in millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  | (i) |  | (ii) |  | (iii) = (i) + (ii) |  | (i) |  | (ii) |  | (iii) = (i) + (ii) |
|  |  |  | June 30, 2020 |  |  |  |  |  | December 31, 2019 |  |  |  |  |
Description |  | Balance Sheet location |  | Gross amounts of recognized liabilities |  | Gross amounts offset in the Balance Sheet |  | Net amounts of liabilities presented in the Balance Sheet |  | Gross amounts of recognized liabilities |  | Gross amounts offset in the Balance Sheet |  | Net amounts of liabilities presented in the Balance Sheet |
Fuel derivative contracts |  | Prepaid expenses and other current assets |  | $ | 1 |  |  | $ | (1) |  |  | $ | — |  |  | $ | 10 |  |  | $ | (10) |  |  | $ | — |  |
Fuel derivative contracts |  | Other assets |  | $ | 31 |  |  | $ | (31) |  |  | $ | — |  | (a) | $ | 15 |  |  | $ | (15) |  |  | $ | — |  | (a)
Interest rate derivative contracts |  | Accrued liabilities |  | $ | 60 |  |  | $ | — |  |  | $ | 60 |  | (a) | $ | 5 |  |  | $ | — |  |  | $ | 5 |  | (a)
Interest rate derivative contracts |  | Other noncurrent liabilities |  | $ | 14 |  |  | $ | — |  |  | $ | 14 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 1 |  |
(a) The net amounts of derivative assets and liabilities are reconciled to the individual line item amounts presented in the unaudited Condensed Consolidated Balance Sheet in Note 10.
Schedule Of Derivative Instruments In Hedging Relationships Gain Loss In Statement Of Financial Performance | The following tables present the impact of derivative instruments and their location within the unaudited Condensed Consolidated Statement of Comprehensive Income (Loss) for the three and six months ended June 30, 2020 and 2019:
Location and amount recognized in income on cash flow and fair value hedging relationships |  |  |  |  |  |  |  |  |  |  |  |
|  | Three months ended June 30, 2020 |  |  |  |  |  | Three months ended June 30, 2019 |  |  |  |
(in millions) |  | Fuel and oil |  | Other (gains)/losses, net |  | Interest expense |  | Fuel and oil |  |  |  | Interest expense
Total |  | $ | 14 |  |  | $ | 14 |  |  | $ | 3 |  |  | $ | (2) |  |  |  |  | $ | 7 |
(Gain) loss on cash flow hedging relationships: |  |  |  |  |  |  |  |  |  |  |  |
Commodity contracts: |  |  |  |  |  |  |  |  |  |  |  |
Amount of (gain) loss reclassified from AOCI into income |  | 14 |  |  | 14 |  |  | — |  |  | (2) |  |  |  |  | — |
Interest contracts: |  |  |  |  |  |  |  |  |  |  |  |
Amount of loss reclassified from AOCI into income |  | — |  |  | — |  |  | 1 |  |  | — |  |  |  |  | 1 |
Impact of fair value hedging relationships: |  |  |  |  |  |  |  |  |  |  |  |
Interest contracts: |  |  |  |  |  |  |  |  |  |  |  |
Hedged items |  | — |  |  | — |  |  | 4 |  |  | — |  |  |  |  | 6 |
Derivatives designated as hedging instruments |  | — |  |  | — |  |  | (2) |  |  | — |  |  |  |  | — |
Location and amount recognized in income on cash flow and fair value hedging relationships |  |  |  |  |  |  |  |  |  |
|  | Six months ended June 30, 2020 |  |  |  |  |  | Six months ended June 30, 2019 |  |
(in millions) |  | Fuel and oil |  | Other (gains)/losses, net |  | Interest expense |  | Fuel and oil |  | Interest expense
Total |  | $ | 36 |  |  | $ | 16 |  |  | $ | 4 |  |  | $ | 9 |  |  | $ | 15 |
Loss on cash flow hedging relationships: |  |  |  |  |  |  |  |  |  |
Commodity contracts: |  |  |  |  |  |  |  |  |  |
Amount of loss reclassified from AOCI into income |  | 36 |  |  | 16 |  |  | — |  |  | 9 |  |  | — |
Interest contracts: |  |  |  |  |  |  |  |  |  |
Amount of loss reclassified from AOCI into income |  | — |  |  | — |  |  | 1 |  |  | — |  |  | 2 |
Impact of fair value hedging relationships: |  |  |  |  |  |  |  |  |  |
Interest contracts: |  |  |  |  |  |  |  |  |  |
Hedged items |  | — |  |  | — |  |  | 7 |  |  | — |  |  | 12 |
Derivatives designated as hedging instruments |  | — |  |  | — |  |  | (4) |  |  | — |  |  | 1 |
Derivatives in Cash Flow Hedging Relationships |
Derivatives designated and qualified in cash flow hedging relationships |  |  |
| (Gain) loss recognized in AOCI on derivatives, net of tax |  |
| Three months ended |  |
| June 30, |  |
(in millions) | 2020 |  | 2019
Fuel derivative contracts | $ | (9) |  |  | $ | 54 |
Interest rate derivatives | — |  |  | 16 |
Total | $ | (9) |  |  | $ | 70 |
Derivatives designated and qualified in cash flow hedging relationships |  |  |  |  |  |
| (Gain) loss recognized in AOCI on derivatives, net of tax |  |  |  |  |
| Six months ended |  |  |  |  |
| June 30, |  |  |  |  |
(in millions) | 2020 |  | 2019 |  |  |
Fuel derivative contracts | $ | 75 |  |  | $ | (12) |  |  |  |
Interest rate derivatives | 32 |  |  | 27 |  |  |  |
Total | $ | 107 |  |  | $ | 15 |  |  |  |
Derivatives Not in Cash Flow Hedging Relationships |
Derivatives not designated as hedges |  |  |  |  |
| Loss recognized in income on derivatives |  |  |  |
| Three months ended |  |  |  | Location of loss recognized in income on derivatives
| June 30, |  |  |  |
(in millions) | 2020 |  | 2019 |  |
Fuel derivative contracts | $ | 1 |  |  | $ | — |  |  | Other (gains) losses, net
Interest rate derivatives | 5 |  |  | — |  |  | Other (gains) losses, net
Total | $ | 6 |  |  | $ | — |  |  |
Derivatives not designated as hedges |  |  |  |  |
| Loss recognized in income on derivatives |  |  |  |
| Six months ended |  |  |  | Location of loss recognized in income on derivatives
| June 30, |  |  |  |
(in millions) | 2020 |  | 2019 |  |
Fuel derivative contracts | $ | 1 |  |  | $ | — |  |  | Other (gains) losses, net
Interest rate derivatives | 29 |  |  | — |  |  | Other (gains) losses, net
Total | $ | 30 |  |  | $ | — |  |  |
Premiums Paid for Fuel Derivative Contracts | The following tables present the impact of premiums paid for fuel derivative contracts and their location within the unaudited Condensed Consolidated Statement of Comprehensive Income (Loss) during the period the contract settles:
| Premium expense recognized in income on derivatives |  |  |  |
| Three months ended |  |  |  | Location of premium expense recognized in income on derivatives
| June 30, |  |  |  |
(in millions) | 2020 |  | 2019 |  |
Fuel derivative contracts designated as hedges | $ | 13 |  |  | $ | 28 |  |  | Fuel and oil
Fuel derivative contracts not designated as hedges | $ | 11 |  |  | $ | — |  |  | Other (gains) and losses, net
| Premium expense recognized in income on derivatives |  |  |  |
| Six months ended |  |  |  | Location of premium expense recognized in income on derivatives
| June 30, |  |  |  |
(in millions) | 2020 |  | 2019 |  |
Fuel derivative contracts designated as hedges | $ | 38 |  |  | $ | 55 |  |  | Fuel and oil
Fuel derivative contracts not designated as hedges | $ | 11 |  |  | $ | — |  |  | Other (gains) and losses, net
Fair Values of Fuel Derivatives, Amounts Posted as Collateral, and Collateral Posting Threshold Amounts | The following table provides the fair values of fuel derivatives, amounts posted as collateral, and applicable collateral posting threshold amounts as of June 30, 2020, at which such postings are triggered:
| Counterparty (CP) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(in millions) | A |  | B |  |  |  | C |  | D |  | E |  | F |  | Other (a) |  | Total
Fair value of fuel derivatives | $ | 28 |  |  | $ | 12 |  |  |  |  | $ | 28 |  |  | $ | 10 |  |  | $ | 11 |  |  | $ | 9 |  |  | $ | 9 |  |  | $ | 107 |
Cash collateral held from CP | 32 |  |  | — |  |  |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 32 |
Letters of credit (LC) | — |  |  | — |  |  |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Option to substitute LC for cash | N/A |  | N/A |  |  |  | (75) to (150) or >(550)(b) |  | (125) to (150) or >(550)(c) |  | (c) |  | N/A |  |  |  |
If credit rating is investment grade, fair value of fuel derivative level at which: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash is provided to CP | >(100) |  | >(50) |  |  |  | (75) to (150) or >(550)(d) |  | (125) to (150) or >(550)(d) |  | >(40) |  | >(65)(d) |  |  |  |
Cash is received from CP | >0(d) |  | >150(d) |  |  |  | >250(d) |  | >125(d) |  | >100(d) |  | >70(d) |  |  |  |
Cash can be pledged to CP as collateral | (200) to (600)(e) |  | N/A |  |  |  | (150) to (550)(b) |  | (150) to (550)(b) |  | N/A |  | N/A |  |  |  |
If credit rating is non-investment grade, fair value of fuel derivative level at which: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash is provided to CP | (0) to (200) or >(600) |  | (f) |  |  |  | (0) to (150) or >(550) |  | (0) to (150) or >(550) |  | (f) |  | (f) |  |  |  |
Cash is received from CP | (f) |  | (f) |  |  |  | (f) |  | (f) |  | (f) |  | (f) |  |  |  |
Cash can be pledged to CP as collateral | (200) to (600) |  | N/A |  |  |  | (150) to (550) |  | (150) to (550) |  | N/A |  | N/A |  |  |  |
(a) Individual counterparties with fair value of fuel derivatives < $8 million. (b) The Company has the option of providing cash or letters of credit as collateral. (c) The Company has the option to substitute letters of credit for 100 percent of cash collateral requirement. (d) Thresholds may vary based on changes in credit ratings within investment grade. (e) The Company has the option of providing cash as collateral. (f) Cash collateral is provided at 100 percent of fair value of fuel derivative contracts.

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- Definition Schedule of the location and amount of gains and losses reported in the statement of financial performance (or when applicable, the statement of financial position, for example, gains and losses initially recognized in other comprehensive income) on derivative instruments designated and qualifying as hedging instruments in cash flow hedges. + References No definition available. + Details
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- Definition Schedule of the location and amount of gains and losses reported in the statement of financial performance (or when applicable, the statement of financial position, for example, gains and losses initially recognized in other comprehensive income) on derivative instruments not designated and qualifying as hedging instruments in cash flow hedges. + References No definition available. + Details
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- Definition Disclosure of the agreements the Company had with counterparties in which cash deposits/receipts and/or pledged aircraft are required to be posted whenever the net fair value of derivatives associated with those counterparties exceeds specific thresholds. Includes the fair values of fuel derivatives, amounts posted as collateral, and applicable collateral posting threshold amounts at which such postings are triggered. + References No definition available. + Details
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- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41620-113959 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41638-113959 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41678-113959 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109980867&loc=d3e41641-113959 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579240-113959 + Details
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- Definition Tabular disclosure of derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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