Other Income and Expense (Other Expense) (Details) - USD ($) $ in Millions |
12 Months Ended | ||||||||
---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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Schedule of other operating expense [Line Items] | |||||||||
Sales-type and Direct Financing Leases, Profit (Loss) | $ 36 | [1] | $ 0 | $ 0 | |||||
Allowance for other receivables | 0 | 7 | 0 | ||||||
Loss On Sale And Disposal Of Assets | 22 | [2] | 30 | [2] | 28 | ||||
Water Rights Write-Off | 0 | 0 | 19 | ||||||
Other | 5 | 11 | 10 | ||||||
Defined Benefit Plan, Other Cost (Credit) | 17 | 10 | 1 | ||||||
Other Expenses | $ 80 | $ 58 | $ 58 | ||||||
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