Commitments and Contingencies - Schedule of Future Capital Commitments (Details)	Jun. 30, 2026 berth
Long-term Purchase Commitment [Line Items]
Approximate Berths	43,230
Royal Caribbean \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	5,700
Royal Caribbean \| Hero of the Seas
Long-term Purchase Commitment [Line Items]
Approximate Berths	5,600
Royal Caribbean \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	5,600
Royal Caribbean \| Icon Class, Unnamed Ship Two
Long-term Purchase Commitment [Line Items]
Approximate Berths	5,600
Royal Caribbean \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	4,300
Royal Caribbean \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	4,300
Celebrity Cruises \| Celebrity Xcite
Long-term Purchase Commitment [Line Items]
Approximate Berths	3,250
Celebrity Cruises \| Celebrity Compass
Long-term Purchase Commitment [Line Items]
Approximate Berths	170
Celebrity Cruises \| Celebrity Seeker
Long-term Purchase Commitment [Line Items]
Approximate Berths	170
Celebrity Cruises \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	170
Celebrity Cruises \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	170
Mein Schiff \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	4,100
Mein Schiff \| Unnamed
Long-term Purchase Commitment [Line Items]
Approximate Berths	4,100