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Schedule II-Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2017
Valuation And Qualifying Accounts [Abstract]  
Schedule II-Valuation and Qualifying Accounts

Deferred Tax Asset Valuation Allowance

Information presented below is in millions:

 

 

 

 

 

 

 

Additions

 

 

 

 

 

 

 

 

 

 

 

Balance at

Beginning

of Year

 

 

Charged to

Expenses

 

 

Charged to

Other

Accounts(a)

 

 

Deductions(b)

 

 

Balance at

End of

Year

 

December 31, 2017

 

$

153

 

 

$

52

 

 

$

 

 

$

(5

)

 

$

200

 

December 31, 2016

 

$

22

 

 

$

10

 

 

$

129

 

 

$

(8

)

 

$

153

 

December 31, 2015

 

$

25

 

 

$

2

 

 

$

 

 

$

(5

)

 

$

22

 

 

(a)

Recorded through purchase accounting transaction.

(b)

Impact of reductions recorded to expense and translation adjustments.