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Supplemental Income Statement Information (Tables) | 3 Months Ended
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Mar. 31, 2021
Supplemental Income Statement Information |
Schedule of other expense (income) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three months ended
​ | ​ | March 31,
(Millions) | ​ | 2021 |  | 2020
Interest expense | ​ | $ | 132 | ​ | $ | 123
Interest income | ​ |  | (4) | ​ |  | (10)
Pension and postretirement net periodic benefit cost (benefit) | ​ | ​ | (79) | ​ | ​ | (38)
Total | ​ | $ | 49 | ​ | $ | 75

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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- References No definition available. + Details
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