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
-Topic 210
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-Subparagraph (SX 210.5-02.22)
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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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-Publisher FASB
-Name Accounting Standards Codification
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-Topic 835
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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

Percentage of principal amount of debt redeemed.

+ 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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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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

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
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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	Jun. 01, 2017	Apr. 03, 2017	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument
Outstanding Principal			$ 3,536.0	$ 3,310.3
Premium (Discount)			8.9	9.6
Long-Term Debt			3,544.9	3,319.9
Debt issuance costs			(23.8)	(24.6)
Long-term debt, net of unamortized issuance cost			$ 3,521.1	$ 3,295.3
Effective interest rate			3.00%	2.30%
Debt issuance cost accumulated amortization			$ 10.0	$ 9.0
ENLK credit facility due 2020 \| EnLink Midstream Partners, LP
Debt Instrument
Outstanding Principal			330.0	120.0
Premium (Discount)			0.0	0.0
Long-Term Debt			330.0	120.0
ENLC credit facility due 2019
Debt Instrument
Outstanding Principal			43.5	27.8
Premium (Discount)			0.0	0.0
Long-Term Debt			$ 43.5	$ 27.8
Effective interest rate			3.10%	3.40%
2.70% Senior unsecured notes due 2019
Debt Instrument
Stated interest rate			2.70%
Outstanding Principal			$ 400.0	$ 400.0
Premium (Discount)			(0.2)	(0.3)
Long-Term Debt			$ 399.8	399.7
7.125% Senior unsecured notes due 2022
Debt Instrument
Stated interest rate			7.125%
Outstanding Principal			$ 162.5	162.5
Premium (Discount)			15.2	16.0
Long-Term Debt			$ 177.7	178.5
4.40% Senior unsecured notes due 2024
Debt Instrument
Stated interest rate			4.40%
Outstanding Principal			$ 550.0	550.0
Premium (Discount)			2.4	2.5
Long-Term Debt			$ 552.4	552.5
4.15% Senior unsecured notes due 2025
Debt Instrument
Stated interest rate			4.15%
Outstanding Principal			$ 750.0	750.0
Premium (Discount)			(1.1)	(1.1)
Long-Term Debt			$ 748.9	748.9
4.85% Senior unsecured notes due 2026 \| EnLink Midstream Partners, LP
Debt Instrument
Stated interest rate			4.85%
Outstanding Principal			$ 500.0	500.0
Premium (Discount)			(0.6)	(0.7)
Long-Term Debt			$ 499.4	499.3
5.60% Senior unsecured notes due 2044
Debt Instrument
Stated interest rate			5.60%
Outstanding Principal			$ 350.0	350.0
Premium (Discount)			(0.2)	(0.2)
Long-Term Debt			$ 349.8	349.8
5.05% Senior unsecured notes due 2045
Debt Instrument
Stated interest rate			5.05%
Outstanding Principal			$ 450.0	450.0
Premium (Discount)			(6.6)	(6.6)
Long-Term Debt			$ 443.4	$ 443.4
Senior notes \| Unsecured, 2022 Notes \| Forecast
Debt Instrument
Redemption price as a percentage of the principal amount	103.60%
Redemption price plus accrued interest	$ 174.1
Senior notes \| Unsecured, 2022 Notes \| Subsequent event
Debt Instrument
Stated interest rate		7.125%