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Other (Income) Expense, Net (Tables) | 3 Months Ended
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Mar. 31, 2020
Other Income and Expenses [Abstract] |
Other (Income) Expense, Net | Other (income) expense, net, consisted of:
| Three Months Ended March 31,
($ in millions) | 2020 |  | 2019
Interest income | $ | (25 | ) |  | $ | (89 | )
Interest expense | 212 |  |  | 209 |
Exchange losses | 54 |  |  | 101 |
(Income) loss from investments in equity securities, net (1) | (52 | ) |  | 25 |
Net periodic defined benefit plan (credit) cost other than service cost | (90 | ) |  | (141 | )
Other, net | (28 | ) |  | 83 |
| $ | 71 |  |  | $ | 188 |
(1) Includes net realized and unrealized gains and losses from investments in equity securities either owned directly or through ownership interests in investment funds.

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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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