Credit risk and counterparty risk

How is counterparty credit risk calculated?
A typical method for bilateral credit adjustments when only one of the two counterparties has a credit exposure is to compute the market value of the credit risk by adding up the discounted risk-neutral mean default loss, period by period, over the life of the positions between these two counterparties..
Is credit risk the same as counterparty risk?
The counterparty risk looks at specific parts of the lending process—pre-settlement and settlement risk.
Meanwhile, credit risk is a more expansive concept looking at all types of lending risk, including counterparty risk._{Dec 15, 2022}.
Unlike a firm's exposure to credit risk through a loan, where the exposure to credit risk is unilateral and only the lending bank faces the risk of loss, CCR creates a bilateral risk of loss: the market value of the transaction can be positive or negative to either counterparty to the transaction._{Dec 15, 2019}

How is counterparty credit risk calculated?