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Other Income (Tables)
9 Months Ended
Sep. 30, 2020
Other Income [Abstract]  
Other Income Other income included the following:

Three Months Ended

Nine Months Ended

September 30,

September 30,

Millions

2020 

2019 

2020 

2019 

Net gain on non-operating asset dispositions [a]

$

3 

$

4 

$

97 

$

14 

Rental income

29 

34 

90 

96 

Net periodic pension and OPEB costs

12 

12 

31 

28 

Interest income

2 

10 

11 

25 

Interest income on employment tax refund

-

1 

-

31 

Non-operating environmental costs and other

(9)

(8)

(8)

(7)

Total

$

37 

$

53 

$

221 

$

187 

 

[a] The nine months ended September 30, 2020 includes a $69 million gain from a land and permanent easement sale to the Illinois State Toll Highway Authority.