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Other Income and Expense (Other Expense) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Schedule of other operating expense [Line Items] |  |  |  |  |  |
Other Expenses | $ 53 |  | $ 80 |  | $ 58 |
Other Expense [Member] |  |  |  |  |  |
Schedule of other operating expense [Line Items] |  |  |  |  |  |
Gain (Loss) on Sale of Financing Receivable | 20 | [1] | 0 |  | 0 |
Gain (Loss) Related to Litigation Settlement | 15 |  | 2 |  | 2 |
Loss On Sale And Disposal Of Assets | 7 |  | 22 | [2] | 30 | [2]
Defined Benefit Plan, Other Cost (Credit) | 2 |  | 17 |  | 10 |
Sales-type and Direct Financing Leases, Profit (Loss) | 0 |  | 36 | [3] | 0 |
Allowance for other receivables | 0 |  | 0 |  | 7 |
Other | 9 |  | 3 |  | 9 |
Other Expenses | $ 53 |  | $ 80 |  | $ 58 |
[1] | Associated with a loss on sale of Stabilization Fund receivables at Gener. See Note 7—Financing Receivables for further information.
[2] | Associated with a loss due to the upgrade of the tunnel lining at Changuinola in 2019 and a loss due to damage from a lightning incident at the Andres facility in the Dominican Republic in September 2018.
[3] | Related to losses recognized at commencement of sales-type leases at Distributed Energy. See Note 14—Leases for further information.

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