Key Inclusion Criteria:  Metastatic or unresectable locally advanced histologically confirmed Non-Small Cell Lung Cancer (NCSLC), not amenable to treatment with curative intent Able to provide archival/fresh tumor tissues for biomarker analysis to assess PD-L1 expression and other biomarkers. No known Epidermal Growth Factor Receptor (EGFR) or BRAF mutation, or ALK rearrangement or ROS1 rearrangement Radiographic progression per Response Evaluation Criteria in Solid Tumours (RECIST) v1.1 on or after anti-PD-(L)1 containing therapy as the most recent treatment for locally advanced and unresectable or metastatic NSCLC. At least 1 measurable lesion as defined based on RECIST v1.1 by investigator  Key Exclusion Criteria:  Has received docetaxel as monotherapy or in combination with other therapies. Squamous NSCLC with central cavitation, or NSCLC with hemoptysis (> 50 mL/day) Participants with tumor shown by imaging to be located around important vascular structures or if the investigator determines that the tumor is likely to invade important blood vessels and may cause fatal bleeding. Active leptomeningeal disease for metastatic NSCLC or uncontrolled, untreated brain metastasis. Active autoimmune diseases or history of autoimmune diseases that may relapse.  NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.