If your use case requires this data in Funnel, you can request it as a custom connector.
Custom connectors and data requests are available only in Business and Enterprise plans.
Reports
Dimensions
Campaign Group
Campaign Created Date
Currency
Campaign ID
Campaign Name
Campaign End Date
Campaign Start Date
Campaign Status
Ad Account ID
Ad Account Name
Optimization Type
Cost Type
Date (Daily mode only)
Metrics
Daily Budget Amount
Total Budget Amount
How to request this data
To request LinkedIn Budget data and other data that has not been covered here, submit a data request.