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Supplemental Income Statement Information (Tables)
3 Months Ended
Mar. 31, 2020
Supplemental Income Statement Information  
Schedule of other expense (income)

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Three months ended 

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March 31,

(Millions)

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2020

    

2019

Interest expense

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$

123

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$

104

Interest income

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(10)

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(20)

Pension and postretirement net periodic benefit cost (benefit)

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(17)

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(36)

Total

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$

96

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$

48