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v3.21.2

Comprehensive Income (Loss) - Differences between Net Income and Comprehensive Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Condensed Statement of Income Captions [Line Items] |  |  |  |  |  |
NET INCOME (LOSS) | $ 348 |  | $ (915) |  | $ 463 | $ (1,009)
Other, net of deferred taxes of $— and $8 | 0 |  | 25 |  | (47) | (3)
Total other comprehensive income (loss) | 196 |  | 56 |  | 260 | (69)
COMPREHENSIVE INCOME (LOSS) | 544 | $ 180 | (859) | $ (219) | 723 | (1,078)
Other deferred taxes | 0 |  | 8 |  | (13) | (1)
Fuel derivatives |  |  |  |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |  |  |  |
Unrealized gain (loss) on derivative instruments, net of deferred taxes | 201 |  | 30 |  | 301 | (35)
Derivative deferred taxes | 61 |  | 9 |  | 92 | (10)
Interest rate derivatives |  |  |  |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |  |  |  |
Unrealized gain (loss) on derivative instruments, net of deferred taxes | (5) |  | 1 |  | 6 | (31)
Derivative deferred taxes | $ (1) |  | $ 0 |  | $ 1 | $ (10)

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