Overview and Summary of Significant Accounting Policies - Revenue Recognition (FY) (Details)	12 Months Ended
Dec. 31, 2024
Minimum
Revenue Recognition [Abstract]
Initial contract period	2 years
Maximum
Revenue Recognition [Abstract]
Initial contract period	5 years

Revenue is recognized ratably over the initial contract period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	crwv_InitialContractPeriod
Namespace Prefix:	crwv_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration