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OTHER INCOME (EXPENSE), NET
 12 Months Ended
Dec. 31, 2019
Other Income and Expenses [Abstract]  
Other Income, Net OTHER INCOME, NET
Other income, net included:
 
Year Ended December 31,
 
2019
 
2018
 
2017
 
(in millions)
Interest income
$
9

 
$
8

 
$
4

Components of net periodic benefit cost other than service cost (Note 13)
—

 
(6
)
 
(13
)
Other
4

 
7

 
(2
)
Other income (expense), net
$
13

 
$
9

 
$
(11
)