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Other Financial Information
 12 Months Ended
Dec. 31, 2019
Other Income and Expenses [Abstract]  
Other Financial Information Other Financial Information
 
 
Millions of Dollars
 
2019

 
2018

 
2017

Interest and Debt Expense
 
 
 
 
 
Incurred
 
 
 
 
 
Debt
$
504

 
493

 
432

Other
31

 
28

 
21

 
535

 
521

 
453

Capitalized
(77
)
 
(17
)
 
(15
)
Expensed
$
458

 
504

 
438

 
 
 
 
 
 
Other Income
 
 
 
 
 
Interest income
$
43

 
45

 
31

Gain on consolidation of business*
—

 
—

 
423

Other, net**
76

 
16

 
67

 
$
119

 
61

 
521

  * See Note 6—Business Combinations, for more information regarding the gain recognized in 2017.
** Includes derivatives-related activities. See Note 15—Derivatives and Financial Instruments, for additional information.
 
 
 
 
 
 
Research and Development Expenses
$
54

 
55

 
60

 
 
 
 
 
 
Advertising Expenses
$
63

 
68

 
76

 
 
 
 
 
 
Foreign Currency Transaction (Gains) Losses
 
 
 
 
 
Midstream
$
—

 
—

 
—

Chemicals
—

 
—

 
—

Refining
—

 
(24
)
 
(2
)
Marketing and Specialties
—

 
1

 
1

Corporate and Other
5

 
(8
)
 
1

 
$
5

 
(31
)
 
—