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Changes in Accumulated Other Comprehensive (Loss) Income (Reclassifications) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Interest expense, net of interest capitalized |  | $ (1,402) | $ (1,364) | $ (1,292)
Depreciation and amortization expenses |  | (1,455) | (1,407) | (1,293)
Other (expense) income | [1] | (8) | (119) | 20
Reclassification out of accumulated other comprehensive income (loss) |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total reclassifications for the period |  | 30 | 160 | (25)
Reclassification out of accumulated other comprehensive income (loss) | Gain (loss) on cash flow derivative hedges: |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Total reclassifications for the period |  | 30 | 163 | (21)
Reclassification out of accumulated other comprehensive income (loss) | Gain (loss) on cash flow derivative hedges: | Interest rate swaps |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Interest expense, net of interest capitalized |  | 49 | (12) | (44)
Reclassification out of accumulated other comprehensive income (loss) | Gain (loss) on cash flow derivative hedges: | Foreign currency forward contracts |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Depreciation and amortization expenses |  | (18) | (17) | (15)
Other (expense) income |  | (10) | (3) | (3)
Reclassification out of accumulated other comprehensive income (loss) | Gain (loss) on cash flow derivative hedges: | Fuel swaps |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Other (expense) income |  | 0 | 0 | 0
Fuel |  | 9 | 195 | 41
Reclassification out of accumulated other comprehensive income (loss) | Actuarial loss |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |
Payroll and related |  | $ 0 | $ (3) | $ (4)
[1] | Including a $62.6 million net loss related to the 2021 elimination of the Silversea Cruises reporting lag for the year ended December 31, 2021.

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