A Multiple Dose Trial Investigating the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of NNC0123-0000-0338 in Subjects With Type 2 Diabetes

Inclusion Criteria: * Male subject, or female subject of no childbearing potential, if surgically sterilized (i.e. tubal ligation, bilateral oopherectomies (removal of both ovaries and both fallopian tubes) or hysterectomised) for at least 3 months or if postmenopausal (i.e. as defined by amenorrhoea for at least 12 months prior to screening and documented by follicle stimulating hormone (FSH) levels above 40 U/L) * Body mass index (BMI) between 20.0 and 35.0 kg/m\^2 (both inclusive) * Type 2 diabetes mellitus (as diagnosed clinically) for 12 months or more Exclusion Criteria: * Known or suspected hypersensitivity to trial products or related products * Presence of clinically significant acute gastrointestinal symptoms (e.g. nausea, vomiting, heartburn or diarrhoea) within 2 weeks prior to dosing, as judged by the Investigator * Any chronic disorder or severe disease which in the opinion of the Investigator might jeopardise subject's safety or compliance with the protocol