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Geographic Information (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) destination | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of destinations | destination | 36 |  |
Summarization of operating revenues by geographic regions |  |  |
Total operating revenue | $ | $ 9,615 | $ 9,158 | $ 6,037
Europe |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of destinations | destination | 3 |  |
Puerto Rico |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of destinations | destination | 3 |  |
U.S Virgin Islands |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of destinations | destination | 1 |  |
Domestic & Canada |  |  |
Summarization of operating revenues by geographic regions |  |  |
Total operating revenue | $ | $ 6,072 | 6,067 | 3,869
Caribbean & Latin America |  |  |
Summarization of operating revenues by geographic regions |  |  |
Total operating revenue | $ | 3,282 | 2,968 | 2,150
Atlantic |  |  |
Summarization of operating revenues by geographic regions |  |  |
Total operating revenue | $ | $ 261 | $ 123 | $ 18

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