Amount of long-term debt after unamortized (discount) premium and before debt issuance costs.

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- Definition

For an unclassified balance sheet, the accumulated amortization, as of the reporting date, representing the periodic charge to earnings of deferred costs which are associated with debt obligations existing as of the end of the period.

+ References

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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-Name Accounting Standards Codification
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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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.

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- Definition

The amount of debt discount (net of debt premium) that was originally recognized at the issuance of the instrument that has yet to be amortized.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Long-Term Debt (Summary) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Jul. 14, 2016	Dec. 31, 2015	May 12, 2015	Nov. 12, 2014	Mar. 19, 2014	Mar. 07, 2014
Debt Instrument
Outstanding Principal	$ 3,310.3		$ 3,076.7
Premium (Discount)	9.6		13.1
Long-Term Debt, Before Issuance Cost	3,319.9		3,089.8
Debt issuance cost	(24.6)		(23.8)
Long-term debt, net of unamortized issuance cost	3,295.3		3,066.0
Debt issuance cost accumulated amortization	9.0		5.1
Partnership credit facility
Debt Instrument
Outstanding Principal	120.0		414.0
Long-Term Debt, Before Issuance Cost	$ 120.0		$ 414.0
Effective interest rate (as a percent)	2.30%		1.80%
Company credit facility
Debt Instrument
Outstanding Principal	$ 27.8
Long-Term Debt, Before Issuance Cost	$ 27.8
Effective interest rate (as a percent)	3.40%
2.70% Senior Notes due 2019
Debt Instrument
Fixed interest rate (as a percent)	2.70%
Outstanding Principal	$ 400.0		$ 400.0
Premium (Discount)	(0.3)		(0.4)
Long-Term Debt, Before Issuance Cost	$ 399.7		399.6
7.125% Senior Notes due 2022
Debt Instrument
Fixed interest rate (as a percent)	7.125%
Outstanding Principal	$ 162.5		162.5
Premium (Discount)	16.0		18.9
Long-Term Debt, Before Issuance Cost	$ 178.5		181.4
4.40% Senior Notes due 2024
Debt Instrument
Fixed interest rate (as a percent)	4.40%
Outstanding Principal	$ 550.0		550.0
Premium (Discount)	2.5		2.9
Long-Term Debt, Before Issuance Cost	$ 552.5		552.9
4.15% Senior Notes due 2025
Debt Instrument
Fixed interest rate (as a percent)	4.15%
Outstanding Principal	$ 750.0		750.0
Premium (Discount)	(1.1)		(1.2)
Long-Term Debt, Before Issuance Cost	$ 748.9		748.8
4.85% Senior Notes due 2026
Debt Instrument
Fixed interest rate (as a percent)	4.85%
Outstanding Principal	$ 500.0
Premium (Discount)	(0.7)
Long-Term Debt, Before Issuance Cost	$ 499.3
5.60% Senior Notes due 2044
Debt Instrument
Fixed interest rate (as a percent)	5.60%
Outstanding Principal	$ 350.0		350.0
Premium (Discount)	(0.2)		(0.2)
Long-Term Debt, Before Issuance Cost	$ 349.8		349.8
5.05% Senior Notes due 2045
Debt Instrument
Fixed interest rate (as a percent)	5.05%
Outstanding Principal	$ 450.0		450.0
Premium (Discount)	(6.6)		(6.9)
Long-Term Debt, Before Issuance Cost	443.4		443.1
Other debt
Debt Instrument
Outstanding Principal			0.2
Long-Term Debt, Before Issuance Cost			$ 0.2
Parent Company
Debt Instrument
Long-term debt, net of unamortized issuance cost	$ 27.3
EnLink Midstream Partners, LP \| 2.70% Senior Notes due 2019
Debt Instrument
Fixed interest rate (as a percent)						2.70%
EnLink Midstream Partners, LP \| 7.125% Senior Notes due 2022
Debt Instrument
Fixed interest rate (as a percent)							7.125%
Premium (Discount)							$ 29.5
EnLink Midstream Partners, LP \| 4.40% Senior Notes due 2024
Debt Instrument
Fixed interest rate (as a percent)						4.40%
EnLink Midstream Partners, LP \| 4.15% Senior Notes due 2025
Debt Instrument
Fixed interest rate (as a percent)				4.15%
EnLink Midstream Partners, LP \| 4.85% Senior Notes due 2026
Debt Instrument
Fixed interest rate (as a percent)		4.85%
EnLink Midstream Partners, LP \| 5.60% Senior Notes due 2044
Debt Instrument
Fixed interest rate (as a percent)						5.60%
EnLink Midstream Partners, LP \| 5.05% Senior Notes due 2045
Debt Instrument
Fixed interest rate (as a percent)					5.05%