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Other Income, Net
 3 Months Ended
Mar. 31, 2019
Other Income and Expenses [Abstract]  
OTHER INCOME, NET
OTHER INCOME, NET

Other income consists of various line items that are combined on the income statement due to their respective materiality compared with other individual income and expense items.

The amounts included in Other income, net for the periods ended March 31 were as follows (in millions):
 
First Quarter
 
2018
 
2019
Gains / (Losses) on derivatives
$
(87
)
 
$
(178
)
Currency revaluation gains / (losses)
62

 
131

Interest and investment income
42

 
79

Other
20

 
27

Total other income, net
$
37

 
$
59