Commitment and Contingencies (Future Commitments) (Details)	Dec. 31, 2023 berth
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	31,980
Royal Caribbean International | Utopia of the Seas
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	5,700
Royal Caribbean International | Star of the Seas
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	5,600
Royal Caribbean International | Unnamed
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	5,600
Celebrity Cruises | Celebrity Xcel
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 | Unnamed
Long-term Purchase Commitment [Line Items]
Ship passenger capacity berths	4,100