Long-Term Debt - Summary of Redemption Provision Terms (Details) - EnLink Midstream Partners, LP - Treasury Rate	12 Months Ended
	Dec. 31, 2018
2.70% Senior unsecured notes due 2019
Debt Instrument
Redemption premium, percentage	0.20%
4.40% Senior unsecured notes due 2024
Debt Instrument
Redemption premium, percentage	0.25%
4.15% Senior unsecured notes due 2025
Debt Instrument
Redemption premium, percentage	0.30%
4.85% Senior unsecured notes due 2026
Debt Instrument
Redemption premium, percentage	0.50%
5.60% Senior unsecured notes due 2044
Debt Instrument
Redemption premium, percentage	0.30%
5.05% Senior unsecured notes due 2045
Debt Instrument
Redemption premium, percentage	0.30%
5.45% Senior unsecured notes due 2047
Debt Instrument
Redemption premium, percentage	0.40%