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Other Income
6 Months Ended
Jun. 30, 2019
Other Income [Abstract]  
Other Income


6. Other Income

Other income included the following:

Three Months Ended

Six Months Ended

June 30,

June 30,

Millions

2019

2018

2019

2018

Rental income

$

33 

$

30 

$

62 

$

58 

Net periodic pension and OPEB costs

8 

4 

16

8 

Interest income

6 

5 

15

9 

Net gain on non-operating asset dispositions

6 

7 

10

13 

Early extinguishment of debt [a]

-

-

-

(85)

Non-operating environmental costs and other [b]

4 

(4)

31 

(3)

Total

$

57 

$

42 

$

134 

$

-

[a]2018 includes a debt extinguishment charge for the early redemption of certain bonds and debentures in the first quarter (Note 14).

[b]2019 includes $30 million in interest income associated with the employment tax refund (Note 17).