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New Accounting Pronouncements (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) | Jan. 01, 2019 USD ($) landeasements
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Impairment Losses Recorded Upon Adoption of Topic 842 |  | $ 0
Number of Land Easements Treated As Leases | landeasements |  | 0
Impact on Total Capital Lease Expense of ASC Topic 842 Adoption |  | $ 0
Maximum | Subsequent event |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Expected balance sheet impact of new lease standard | $ 60,000,000 |
Minimum | Subsequent event |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Expected balance sheet impact of new lease standard | $ 40,000,000 |

X
- Definition Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements. + References No definition available. + Details
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