Leases - Narrative (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($) extension_option	Dec. 31, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Present value of lease liabilities	$ 744	$ 678
Increase percentage of annual lease payment	3.00%
Present value of lease liabilities	$ 117	369
Variable lease cost	115	85
Berthing Agreement
Lessee, Lease, Description [Line Items]
Present value of lease liabilities	168	167
Lease payments to be paid when certain conditions are met	$ 55
Berthing Agreement \| Minimum
Lessee, Lease, Description [Line Items]
Renewal term	1 year
Berthing Agreement \| Maximum
Lessee, Lease, Description [Line Items]
Renewal term	20 years
Building \| Minimum
Lessee, Lease, Description [Line Items]
Renewal term	1 year
Building \| Maximum
Lessee, Lease, Description [Line Items]
Renewal term	10 years
Land and Building
Lessee, Lease, Description [Line Items]
Number of extension options \| extension_option	2
Additional lease term	5 years
Present value of lease liabilities	$ 106	$ 104
Ships \| Silver Dawn
Lessee, Lease, Description [Line Items]
Repayment of lease	$ 227

Lessee, Finance Lease, Number Of Extension Options

No definition available.

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- Definition

Lessee, Operating Lease, Liability, Percentage Increase Of Annual Lease Payment

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, To Be Paid When Certain Conditions Met

+ References

No definition available.

+ Details

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- Definition

Repayment Of Finance Lease

+ References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-6

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-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

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- Definition

Term of lessee's finance lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Topic 842
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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-Topic 842
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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

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-Topic 842
-SubTopic 20
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-Section 45
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-Publisher FASB
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+ Details

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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-Topic 842
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- Details

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- Details

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- Details

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