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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Summary of Earnings Per Share of Common Stock
Earnings per share of common stock outstanding were computed as follows:
 
Three Months Ended March 31, 2014
 
Three Months Ended March 31, 2013
 
(Millions Except Share and Per Share Amounts)
Basic earnings per share —
 
 
 
Net income attributable to Tenneco Inc.
$
46

 
$
54

Weighted Average shares of common stock outstanding
60,549,778

 
60,288,997

Earnings per share of common stock
$
0.76

 
$
0.90

Diluted earnings per share —
 
 
 
Net income attributable to Tenneco Inc.
$
46

 
$
54

Weighted Average shares of common stock outstanding
60,549,778

 
60,288,997

Effect of dilutive securities:
 
 
 
Restricted stock
160,341

 
138,594

Stock options
793,183

 
1,054,244

Weighted Average shares of common stock outstanding including dilutive securities
61,503,302

 
61,481,835

Earnings per share of common stock
$
0.75

 
$
0.88