The purpose of this study is to investigate the effect of impaired liver function on the drug levels, safety, and tolerability of BMS-986036 in participants with moderate and severe liver impairment. Results from this study will be used to determine whether dose adjustment is required for patients with decreased liver function.

Inclusion Criteria:

• Healthy participants or participants with hepatic impairment, as determined by medical history, physical exam, electrocardiogram (ECG), and clinical laboratory determinations
• Body mass index (BMI) of 18.0 kg/m^2 to 40.0 kg/m^2, inclusive. BMI = weight (kg)/height (m^2)

Exclusion Criteria:

• Any history of known or suspected congenital or acquired immunodeficiency state or condition that would have compromised the participant's immune status
• History of biliary disorders, including Gilbert's syndrome or Dubin-Johnson disease

Other protocol-defined inclusion/exclusion criteria apply