Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

Summarized unaudited quarterly financial data is presented below (in millions, except per unit data):

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total
2020
Revenues	$	1,156.1	$	744.9	$	928.5	$	1,064.3	$	3,893.8
Impairments	$	353.0	$	1.5	$	—	$	8.3	$	362.8
Operating income (loss)	$	(245.5)	$	70.7	$	100.5	$	92.3	$	18.0
Net income attributable to non-controlling interest	$	26.4	$	25.7	$	26.6	$	27.2	$	105.9
Net income (loss) attributable to ENLC	$	(286.8)	$	4.1	$	12.6	$	(151.4)	$	(421.5)
Net income (loss) attributable to ENLC per unit:
Basic common unit	$	(0.59)	$	0.01	$	0.03	$	(0.31)	$	(0.86)
Diluted common unit	$	(0.59)	$	0.01	$	0.03	$	(0.31)	$	(0.86)

2019
Revenues	$	1,779.2	$	1,710.0	$	1,408.0	$	1,155.7	$	6,052.9
Impairments	$	186.5	$	—	$	—	$	947.0	$	1,133.5
Operating income (loss)	$	(88.7)	$	53.1	$	96.5	$	(821.7)	$	(760.8)
Net income attributable to non-controlling interest	$	41.5	$	25.2	$	25.7	$	27.3	$	119.7
Net income (loss) attributable to ENLC	$	(176.3)	$	(16.1)	$	11.8	$	(938.7)	$	(1,119.3)
Net income (loss) attributable to ENLC per unit:
Basic common unit	$	(0.45)	$	(0.03)	$	0.02	$	(1.92)	$	(2.41)
Diluted common unit	$	(0.45)	$	(0.03)	$	0.02	$	(1.92)	$	(2.41)

2018
Revenues	$	1,761.7	$	1,764.7	$	2,114.3	$	2,058.3	$	7,699.0
Impairments	$	—	$	—	$	24.6	$	341.2	$	365.8
Operating income (loss)	$	105.3	$	148.8	$	89.8	$	(190.1)	$	153.8
Net income (loss) attributable to non-controlling interest	$	44.7	$	74.2	$	37.3	$	(175.8)	$	(19.6)
Net income (loss) attributable to ENLC	$	12.4	$	28.0	$	7.7	$	(61.3)	$	(13.2)
Net income (loss) attributable to ENLC per unit:
Basic common unit	$	0.07	$	0.15	$	0.04	$	(0.34)	$	(0.07)
Diluted common unit	$	0.07	$	0.15	$	0.04	$	(0.34)	$	(0.07)