https://viewpoint.pwc.com/dt/us/en/pwc/accounting_guides/fin...
26.5 Common related party transactions
In order to comply with the related party disclosure requirements, a reporting entity must identify all of its transactions with related parties.[…]
26.5.1 Disclosure of related party equity method investments
Equity method investees are, by definition, related parties of the equity holder.
It's not a related party that's the point.
“Equity method investees are, by definition, related parties of the equity holder.” suggests otherwise. You may need to elaborate your point.