Participants with PD-L1 positive status Non Small Cell Lung Cancer received nivolumab 3 mg/kg IV over 30 minutes Q2W + ipilimumab 1 mg/kg over 30minutes every 6 weeks (Q6W) given for up to 24 months in the absence of disease progression or unacceptable toxicity.

Participants with PD-L1 positive status Non Small Cell Lung Cancer received nivolumab 240 mg intravenously (IV) over 30 minutes every 2 weeks (Q2W) given for up to 24months in the absence of disease progression or unacceptable toxicity.

Participants with PD-L1 positive status Non Small Cell Lung Cancer received histology-based platinum-doublet chemotherapy IV in3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Participants with PD-L1 negative status Non Small Cell Lung Cancer received nivolumab 3 mg/kg IV over 30 minutes Q2W + ipilimumab 1 mg/kg over 30minutes Q6W given for up to 24 months in the absence of disease progression or unacceptable toxicity.

Participants with PD-L1 negative status Non Small Cell Lung Cancer received nivolumab 360 mg IV over 30 minutes combined with platinum-doublet chemotherapy administered IV every 3 weeks for a maximum of 4 cycles. Participants who have not experienced disease progression were to receive nivolumab 360 mg every 3weeks until the progression of disease, discontinuation due to toxicity, or up to 24 months (whichever comes first). For subjects with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Participants with PD-L1 negative status Non Small Cell Lung Cancer received histology-based platinum-doublet chemotherapy IV in 3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Chemotherapy-naive participants with stage IV or recurrent NSCLC irrespective of PD-L1 expressing levels received nivolumab 360 mg IV over 30 minutes combined with platinum-doublet chemotherapy administered IV every 3 weeks for a maximum of 4 cycles. Participants who have not experienced disease progression were to receive nivolumab 360 mg every 3weeks until the progression of disease, discontinuation due to toxicity, or up to 24 months (whichever comes first). For subjects with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Chemotherapy-naive participants with stage IV or recurrent NSCLC irrespective of PD-L1 expressing levels received histology-based platinum-doublet chemotherapy IV in 3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Participants in China with PD-L1 Non Small Cell Lung Cancer received nivolumab 3 mg/kg IV over 30 minutes Q2W + ipilimumab 1 mg/kg over 30minutes every 6 weeks (Q6W) given for up to 24 months in the absence of disease progression or unacceptable toxicity.

Participants in China with PD-L1 Non Small Cell Lung Cancer received histology-based platinum-doublet chemotherapy IV in3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Total of all reporting groups

Participants with PD-L1 positive status Non Small Cell Lung Cancer received nivolumab 3 mg/kg IV over 30 minutes Q2W + ipilimumab 1 mg/kg over 30minutes every 6 weeks (Q6W) given for up to 24 months in the absence of disease progression or unacceptable toxicity.

Participants with PD-L1 positive status Non Small Cell Lung Cancer received nivolumab 240 mg intravenously (IV) over 30 minutes every 2 weeks (Q2W) given for up to 24months in the absence of disease progression or unacceptable toxicity.

Participants with PD-L1 positive status Non Small Cell Lung Cancer received histology-based platinum-doublet chemotherapy IV in3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Participants with PD-L1 negative status Non Small Cell Lung Cancer received nivolumab 3 mg/kg IV over 30 minutes Q2W + ipilimumab 1 mg/kg over 30minutes Q6W given for up to 24 months in the absence of disease progression or unacceptable toxicity.

Participants with PD-L1 negative status Non Small Cell Lung Cancer received nivolumab 360 mg IV over 30 minutes combined with platinum-doublet chemotherapy administered IV every 3 weeks for a maximum of 4 cycles. Participants who have not experienced disease progression were to receive nivolumab 360 mg every 3weeks until the progression of disease, discontinuation due to toxicity, or up to 24 months (whichever comes first). For subjects with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Participants with PD-L1 negative status Non Small Cell Lung Cancer received histology-based platinum-doublet chemotherapy IV in 3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Chemotherapy-naive participants with stage IV or recurrent NSCLC irrespective of PD-L1 expressing levels received nivolumab 360 mg IV over 30 minutes combined with platinum-doublet chemotherapy administered IV every 3 weeks for a maximum of 4 cycles. Participants who have not experienced disease progression were to receive nivolumab 360 mg every 3weeks until the progression of disease, discontinuation due to toxicity, or up to 24 months (whichever comes first). For subjects with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Chemotherapy-naive participants with stage IV or recurrent NSCLC irrespective of PD-L1 expressing levels received histology-based platinum-doublet chemotherapy IV in 3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.

Participants in China with PD-L1 Non Small Cell Lung Cancer received nivolumab 3 mg/kg IV over 30 minutes Q2W + ipilimumab 1 mg/kg over 30minutes every 6 weeks (Q6W) given for up to 24 months in the absence of disease progression or unacceptable toxicity.

Participants in China with PD-L1 Non Small Cell Lung Cancer received histology-based platinum-doublet chemotherapy IV in3-week cycles for a maximum of 4 cycles or until disease progression or unacceptable toxicity (whichever comes first). For participants with NSQ histology, pemetrexed maintenance was allowed until disease progression or unacceptable toxicity after 4 cycles of chemotherapy.