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Accrued Liabilities
12 Months Ended
Dec. 31, 2019
Payables And Accruals [Abstract]  
Accrued Liabilities

6. Accrued Liabilities

Accrued liabilities consist of (in millions):

 

 

December 31,

 

 

 

2019

 

 

2018

 

Compensation and other related expenses

 

$

31

 

 

$

38

 

Contract liabilities

 

 

34

 

 

 

29

 

Taxes (non-income)

 

 

12

 

 

 

14

 

Current portion of operating lease liabilities

 

 

21

 

 

 

 

Other

 

 

29

 

 

 

29

 

Total

 

$

127

 

 

$

110