Get the as-filed balance sheet hierarchy. Each line item is returned exactly as it appears on the face of the 10-K or 10-Q, with parent-child relationships preserved in the `children` field.

The ticker symbol. Required if cik is not provided.

The time period of the data.

The maximum number of periods to return. This is the total across all pages, not a page size: each page holds up to 10 records, linked by next_page_url.

The Central Index Key (CIK) of the company.

Opaque pagination cursor from a previous response's next_page_url. When provided, all other query parameters are ignored: the cursor carries the original request's filters. Treat it as opaque; do not construct or modify it.