The amount of the Company's capital investments in integrity and safety projects.

No definition available.

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- Definition

The amount of Company's capital investments in integrity and safety projects since inception.

+ References

No definition available.

+ Details

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- Definition

Percentage of gas costs approved for recovery after review by regulatory authority.

+ References

No definition available.

+ Details

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- Definition

Amount of public utility's approved rate increase (decrease) by regulatory agency.

+ References

No definition available.

+ Details

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- References

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Amount of public utility's requested rate increase (decrease) with regulatory agency.

+ References

No definition available.

+ Details

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Regulatory Matters (Details) - USD ($) $ in Millions	2 Months Ended	12 Months Ended
Regulatory Matters (Details) - USD ($) $ in Millions	Dec. 31, 2016	Oct. 31, 2016	Sep. 30, 2016
North Carolina Utilities Commission \| North Carolina Public Staff Audit 2016 Gas Cost Review Period
Public Utilities, Rate Matters, Approved [Abstract]
Percentage Of Allowed Recovery For Gas Costs	100.00%
North Carolina Utilities Commission \| IMR Petition Filed October 2016
Public Utilities, Rate Matters, Approved [Abstract]
Public Utilities, Approved Rate Increase (Decrease), Amount	$ 8.2
Tennessee Regulatory Authority \| TRA Petition Filed IMR November 2016
Public Utilities, Rate Matters, Requested [Abstract]
Public Utilities, Requested Rate Increase (Decrease), Amount	$ 1.7
North Carolina
Public Utilities, Rate Matters, Requested [Abstract]
Capital Investments in Integrity and Safety Projects			$ 513.1
Tennessee
Public Utilities, Rate Matters, Requested [Abstract]
Capital Investments In Integrity and Safety Projects		$ 20.1