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Other Non-Operating Income, Net
 12 Months Ended
Dec. 31, 2019
Other Income and Expenses [Abstract]  
Other Non-Operating Income, Net Other Non-Operating (Expense) Income, Net
The components of other non-operating income, net are as follows:
 
Year Ended December 31,
(in millions)
2019
 
2018
 
2017
Interest income
$
5

 
$
4

 
$
3

Income from joint ventures
3

 
5

 
3

Other (expense) income – net
(12
)
 
4

 
—

Total other non-operating (expense) income, net
$
(4
)
 
$
13

 
$
6