Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net (Details)

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Property and Equipment, Net (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Property Plant And Equipment [Line Items]      
Depreciation expense $ 690.0 $ 707.9 $ 627.7
Repairs and maintenance expenses including Dry-dock expenses 199.7 129.9 199.7
Interest costs capitalized 43.6 $ 25.2 $ 32.9
Ships improvements      
Property Plant And Equipment [Line Items]      
Net increase in PPE due to ships under construction and improvements $ 348.0