Stock Incentive Plans (Details) - Cruise Stock Incentive Awards - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Stock Incentive Plans [Line Items]
Cash used to settle awards		$ 214	$ 206
Compensation expense	$ 199		$ 476

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.

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+ Details