Long-Term Debt (Redemptions) (Details) - EnLink Midstream Partners, LP	12 Months Ended
	Dec. 31, 2016
Treasury Rate
Debt Instrument
Redemption premium (as a percent)	50.00%
Redemption, Period One
Debt Instrument
Redemption price (as a percent)	100.00%
Redemption, Period Two
Debt Instrument
Redemption price (as a percent)	100.00%
7.125% Senior Notes due 2022 | Redemption, Period One
Debt Instrument
Redemption price (as a percent)	103.563%
7.125% Senior Notes due 2022 | Redemption, Period Two
Debt Instrument
Redemption price (as a percent)	102.375%
7.125% Senior Notes due 2022 | Redemption, Period Three
Debt Instrument
Redemption price (as a percent)	101.188%
7.125% Senior Notes due 2022 | Redemption, Period Four
Debt Instrument
Redemption price (as a percent)	100.00%
2.70% Senior Notes due 2019 | Redemption, Period One
Debt Instrument
Redemption price (as a percent)	100.00%
2.70% Senior Notes due 2019 | Redemption, Period One | Treasury Rate
Debt Instrument
Redemption premium (as a percent)	0.20%
2.70% Senior Notes due 2019 | Redemption, Period Two
Debt Instrument
Redemption price (as a percent)	100.00%
4.40% Senior Notes due 2024 | Redemption, Period One
Debt Instrument
Redemption price (as a percent)	100.00%
4.40% Senior Notes due 2024 | Redemption, Period One | Treasury Rate
Debt Instrument
Redemption premium (as a percent)	0.25%
4.40% Senior Notes due 2024 | Redemption, Period Two
Debt Instrument
Redemption price (as a percent)	100.00%
4.15% Senior Notes due 2025 | Redemption, Period One
Debt Instrument
Redemption price (as a percent)	100.00%
4.15% Senior Notes due 2025 | Redemption, Period One | Treasury Rate
Debt Instrument
Redemption premium (as a percent)	0.30%
4.15% Senior Notes due 2025 | Redemption, Period Two
Debt Instrument
Redemption price (as a percent)	100.00%
5.60% Senior Notes due 2044 | Redemption, Period One
Debt Instrument
Redemption price (as a percent)	100.00%
5.60% Senior Notes due 2044 | Redemption, Period One | Treasury Rate
Debt Instrument
Redemption premium (as a percent)	0.30%
5.60% Senior Notes due 2044 | Redemption, Period Two
Debt Instrument
Redemption price (as a percent)	100.00%
5.05% Senior Notes due 2045 | Redemption, Period One
Debt Instrument
Redemption price (as a percent)	100.00%
5.05% Senior Notes due 2045 | Redemption, Period One | Treasury Rate
Debt Instrument
Redemption premium (as a percent)	0.30%
5.05% Senior Notes due 2045 | Redemption, Period Two
Debt Instrument
Redemption price (as a percent)	100.00%