Any process carried out at the cellular level that reduces or removes the toxicity of a metal ion. [ http://www.ncbi.nlm.nih.gov/pubmed/33046888 http://www.ncbi.nlm.nih.gov/pubmed/26729300 http://www.ncbi.nlm.nih.gov/pubmed/34442707 ]
Synonyms: cellular detoxification of metal cation