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Commitments, Guarantees and Contingencies - Transmission (Details) - Great Northern Transmission Line [Member] - Transmission Line [Member] $ in Millions | Sep. 30, 2016 USD ($) kV Miles
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Transmission [Line Items] |
Transmission Line Length (Miles) | Miles | 220
Transmission Line Capacity (kV) | kV | 500
Minimum [Member] |
Transmission [Line Items] |
Estimated Capital Expenditures | $ 560
Maximum [Member] |
Transmission [Line Items] |
Estimated Capital Expenditures | $ 710

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- Definition The estimated amount of certain capital expenditures related to environmental compliance, regulatory matters, or other commitments and/or contingencies. This estimate includes expenditures expected in future periods and expenditures made through the end of the current period. + References No definition available. + Details
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- Definition Capacity of a transmission line in kilovolts. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Length of a transmission line in miles. + References No definition available. + Details
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- Details
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- Details
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- Details
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