XML 55 R39.htm IDEA: XBRL DOCUMENT
v3.22.4

Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
Rollforward of the Amounts Included in AOCI, Net of Taxes | A rollforward of the amounts included in AOCI, net of taxes, is shown below for 2022 and 2021:
(in millions) | Fuel derivatives |  | Interest rate derivatives |  | Defined benefit plan items |  | Other |  | Deferred tax impact |  | Accumulated other comprehensive income (loss)
Balance at December 31, 2020 | $ | (119) |  |  | $ | (66) |  |  | $ | (43) |  |  | $ | 91 |  |  | $ | 32 |  |  | $ | (105) |
Cumulative effect of adopting ASU 2016-01 as of January 1, 2018 | — |  |  | — |  |  | — |  |  | (31) |  |  | 11 |  |  | (20) |
Changes in fair value | 601 |  |  | 3 |  |  | 109 |  |  | — |  |  | (166) |  |  | 547 |
Reclassification to earnings | 10 |  |  | 6 |  |  | — |  |  | (60) |  |  | 10 |  |  | (34) |
Balance at December 31, 2021 | $ | 492 |  |  | $ | (57) |  |  | $ | 66 |  |  | $ | — |  |  | $ | (113) |  |  | $ | 388 |
Changes in fair value | 645 |  |  | 18 |  |  | 106 |  |  | — |  |  | (179) |  |  | 590 |
Reclassification to earnings | (832) |  |  | 7 |  |  | (2) |  |  | — |  |  | 193 |  |  | (634) |
Balance at December 31, 2022 | $ | 305 |  |  | $ | (32) |  |  | $ | 170 |  |  | $ | — |  |  | $ | (99) |  |  | $ | 344 |
Reclassification out of Accumulated Other Comprehensive Income | The following table illustrates the significant amounts reclassified out of each component of AOCI for the year ended December 31, 2022:
Year ended December 31, 2022
(in millions) |  | Amounts reclassified from AOCI |  | Affected line item in the Consolidated Statement of Income (Loss)
AOCI components |  |
Unrealized (gain) on fuel derivative instruments |  | $ | (832) |  |  | Fuel and oil expense
|  | — |  |  | Other (gains) losses, net
|  | (195) |  |  | Less: Tax expense
|  | $ | (637) |  |  | Net of tax
Unrealized loss on interest rate derivative instruments |  | 7 |  |  | Other operating expenses
|  | 2 |  |  | Less: Tax expense
|  | $ | 5 |  |  | Net of tax
Unrealized (gain) on defined benefit plan |  | $ | (2) |  |  | Other (gains) losses, net
|  | — |  |  | Less: Tax expense
|  | $ | (2) |  |  | Net of tax
Total reclassifications for the period |  | $ | (634) |  |  | Net of tax

X
- References No definition available. + Details
Name: | us-gaap_ComprehensiveIncomeNetOfTaxAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration