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Net Income Per Common Share
 9 Months Ended
Oct. 31, 2016
Earnings Per Share [Abstract]  
Net income per common share
Net Income Per Common Share
Basic income per common share attributable to Walmart is based on the weighted-average common shares outstanding during the relevant period. Diluted income per common share attributable to Walmart is based on the weighted-average common shares outstanding during the relevant period adjusted for the dilutive effect of share-based awards. The Company did not have significant share-based awards outstanding that were antidilutive and not included in the calculation of diluted income per common share attributable to Walmart for the three and nine months ended October 31, 2016 and 2015.
The following table provides a reconciliation of the numerators and denominators used to determine basic and diluted income per common share attributable to Walmart:
 
 
Three Months Ended October 31,
 
Nine Months Ended October 31,
(Amounts in millions, except per share data)
 
2016
 
2015
 
2016
 
2015
Numerator
 
 
 
 
 
 
 
 
Consolidated net income
 
$
3,202

 
$
3,414

 
$
10,307

 
$
10,332

Consolidated net income attributable to noncontrolling interest
 
(168
)
 
(110
)
 
(421
)
 
(212
)
Consolidated net income attributable to Walmart
 
$
3,034

 
$
3,304

 
$
9,886

 
$
10,120

 
 
 
 
 
 
 
 
 
Denominator
 
 
 
 
 
 
 
 
Weighted-average common shares outstanding, basic
 
3,089

 
3,210

 
3,114

 
3,221

Dilutive impact of stock options and other share-based awards
 
11

 
9

 
10

 
10

Weighted-average common shares outstanding, diluted
 
3,100

 
3,219

 
3,124

 
3,231


 
 
 
 
 
 
 
 
Net income per common share attributable to Walmart
 
 
 
 
 
 
 
 
Basic
 
$
0.98

 
$
1.03

 
$
3.17

 
$
3.14

Diluted
 
0.98

 
1.03

 
3.16

 
3.13