Annual report pursuant to Section 13 and 15(d)

Related Party Disclosures (Details)

v3.22.0.1
Related Party Disclosures (Details) - USD ($)
$ in Billions
1 Months Ended
May 28, 2020
Mar. 31, 2021
Dec. 31, 2020
Private Exchangeable Notes      
Related Party Transaction [Line Items]      
Repayment and extinguishment of debt, amount   $ 1.0  
NCLC | Private Exchangeable Notes | Maximum      
Related Party Transaction [Line Items]      
Shares issuable upon exchange 46,577,947    
L Catterton [Member]      
Related Party Transaction [Line Items]      
Beneficial ownership percentage     10.00%
L Catterton [Member] | Minimum      
Related Party Transaction [Line Items]      
Investor ownership threshold 50.00%