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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Changes in Carrying Amount of Service and Product Warranties

The changes in the carrying amount of service and product warranties are as follows (in millions):

 

Balance at December 31, 2016

 

$

172

 

Net provisions for warranties issued during the year

 

 

46

 

Amounts incurred

 

 

(86

)

Currency translation adjustments

 

 

3

 

Balance at December 31, 2017

 

$

135

 

Net provisions for warranties issued during the year

 

 

38

 

Amounts incurred

 

 

(67

)

Currency translation adjustments

 

 

(1

)

Balance at December 31, 2018

 

$

105

 
Computation of Weighted Average Basic and Diluted Shares Outstanding

The following table sets forth the computation of weighted average basic and diluted shares outstanding (in millions, except per share data):

 

 

 

Years Ended December 31,

 

 

 

2018

 

 

2017

 

 

2016

 

Numerator:

 

 

 

 

 

 

 

 

 

 

 

 

Net loss attributable to Company

 

$

(31

)

 

$

(237

)

 

$

(2,412

)

Denominator:

 

 

 

 

 

 

 

 

 

 

 

 

Basic—weighted average common shares outstanding

 

 

378

 

 

 

377

 

 

 

376

 

Dilutive effect of employee stock options and other unvested stock awards

 

 

—

 

 

 

—

 

 

 

—

 

Diluted outstanding shares

 

 

378

 

 

 

377

 

 

 

376

 

Basic loss attributable to Company per share

 

$

(0.08

)

 

$

(0.63

)

 

$

(6.41

)

Diluted loss attributable to Company per share

 

$

(0.08

)

 

$

(0.63

)

 

$

(6.41

)

Cash dividends per share

 

$

0.20

 

 

$

0.20

 

 

$

0.61