Note 10. Changes in Accumulated Other Comprehensive Loss The following table presents the changes in accumulated other comprehensive loss by component for the six months ended June 30, 2026 and 2025 (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Accumulated Other Comprehensive Loss for the Six Months Ended June 30, 2026 | | Accumulated Other Comprehensive Loss for the Six Months Ended June 30, 2025 | | | Changes related to cash flow derivative hedges | | Changes in defined benefit plans | | Foreign currency translation adjustments | | Accumulated other comprehensive loss | | Changes related to cash flow derivative hedges | | Changes in defined benefit plans | | Foreign currency translation adjustments | | Accumulated other comprehensive loss | | Accumulated comprehensive loss at beginning of the year | $ | (595) | | | $ | 6 | | | $ | (15) | | | $ | (604) | | | $ | (823) | | | $ | 10 | | | $ | 11 | | | $ | (802) | | | Other comprehensive income (loss) before reclassifications | 160 | | | 4 | | | — | | | 164 | | | 310 | | | — | | | (26) | | | 284 | | | Amounts reclassified from accumulated other comprehensive loss | (76) | | | — | | | — | | | (76) | | | (1) | | | — | | | — | | | (1) | | | Net current-period other comprehensive income (loss) | 84 | | | 4 | | | — | | | 88 | | | 309 | | | — | | | (26) | | | 283 | | | Ending balance | $ | (511) | | | $ | 10 | | | $ | (15) | | | $ | (516) | | | $ | (514) | | | $ | 10 | | | $ | (15) | | | $ | (519) | |
The following table presents reclassifications out of accumulated other comprehensive loss for the quarters and six months ended June 30, 2026 and 2025 (in millions): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Loss into Income | | | | Details About Accumulated Other Comprehensive Loss Components | | Quarter Ended June 30, 2026 | | Quarter Ended June 30, 2025 | | Six Months Ended June 30, 2026 | | Six Months Ended June 30, 2025 | | Affected Line Item in Statements of
Comprehensive Income (Loss) | | Gain (loss) on cash flow derivative hedges: | | | | | | | | | | | | Interest rate swaps | | $ | 3 | | | $ | 6 | | | $ | 7 | | | $ | 13 | | | Interest expense, net of interest capitalized | | Foreign currency forward contracts | | (5) | | | (6) | | | (10) | | | (12) | | | Depreciation and amortization expenses | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fuel swaps | | 60 | | | (4) | | | 79 | | | — | | | Fuel | | | $ | 58 | | | $ | (4) | | | $ | 76 | | | $ | 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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