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Other, Net | 12 Months Ended
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Dec. 31, 2020
Other Nonoperating Income (Expense) [Abstract] |
Other, Net | Other, Net
Year Ended December 31, (in millions) | 2020 |  | 2019 |  | 2018
Interest income | $ | 5.5 |  |  | $ | 7.7 |  |  | $ | 6.6 |
AFUDC equity | 9.9 |  |  | 8.0 |  |  | 14.2 |
Charitable contributions(1) | (1.5) |  |  | (5.1) |  |  | (45.3) |
Pension and other postretirement non-service cost(2) | 9.3 |  |  | (16.5) |  |  | 18.0 |
Sale of emission reduction credits | 4.6 |  |  | — |  |  | — |
Interest rate swap settlement gain(3) | — |  |  | — |  |  | 46.2 |
Miscellaneous | 4.3 |  |  | 0.7 |  |  | 3.8 |
Total Other, net | $ | 32.1 |  |  | $ | (5.2) |  |  | $ | 43.5 |
(1) 2018 charitable contributions include $20.7 million related to the Greater Lawrence Incident and $20.0 million of discretionary contributions made to the NiSource Charitable Foundation. See Note 20, "Other Commitments and Contingencies" for additional information on the Greater Lawrence Incident. (2) See Note 12, "Pension and Other Postretirement Benefits" for additional information. (3) See Note 10, "Risk Management Activities" for additional information.

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -URI http://asc.fasb.org/topic&trid=2122503 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
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