Commitments and Contingencies - Capital Commitments (Details)	Sep. 30, 2023 berth
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	40,830
Royal Caribbean International | Utopia of the Seas
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	5,700
Royal Caribbean International | Icon of the Seas
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	5,600
Royal Caribbean International | Star of the Seas
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	5,600
Royal Caribbean International | Icon Class, Unnamed Ship Three
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	5,600
Celebrity Cruises | Celebrity Ascent
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	3,250
Celebrity Cruises | Edge Class, Unnamed Ship One
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	3,250
Silversea Cruises | Silver Ray
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	730
TUI Cruises | Mein Schiff 7
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	2,900
TUI Cruises | Mein Schiff Relax
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	4,100
TUI Cruises | TUI Cruises, Unnamed Ship
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	4,100