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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | 12 Months Ended
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Dec. 31, 2022
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] |
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) | ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Comprehensive income (loss) includes changes in the fair value of certain financial derivative instruments that qualify for hedge accounting, unrealized gains and losses on certain investments, and actuarial gains/losses arising from the Company’s postretirement benefit obligation. 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 |
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

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI https://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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