Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

The following table summarizes our contract assets and contract liabilities (in millions):


	September 30, 2020		December 31, 2019
Contract assets (non-current)	$	1.2	$	1.2
Contract liabilities (current)(1)	$	11.3	$	8.8
Contract liabilities (non-current)(1)	$	166.9	$	144.7

(1)During the three and nine months ended September 30, 2020, we recognized revenues of approximately $3.3 million and $10.2 million that were previously included in contract liabilities at December 31, 2019. The remaining change in contract liabilities during the three and nine months ended September 30, 2020, related to capital reimbursements associated with our revenue contracts and revenue deferrals associated with our contracts with increasing (decreasing) rates.

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

The following table summarizes the transaction price allocated to our remaining performance obligations under certain contracts that have not been recognized as of September 30, 2020 (in millions):


Remainder of 2020	$	25.7
2021	94.1
2022	59.6
2023	8.0
2024	3.3

Total	$	190.7

Disaggregation of Revenue

Disaggregation of Revenues

The following tables summarize our revenues from contracts with customers disaggregated by type of product/service sold and by commodity type for each of our segments for the three and nine months ended September 30, 2020 and 2019 (in millions). We believe this summary best depicts how the nature, amount, timing and uncertainty of our revenues and cash flows are affected by economic factors.


	Three Months Ended September 30, 2020
	Gathering and Processing		Storage and Transportation		Marketing, Supply and Logistics		Intersegment Elimination		Total
Topic 606 revenues
Gathering
Natural gas	$	30.3	$	—	$	—	$	—	$	30.3
Crude oil	22.5		—		—		—		22.5
Water	25.1		—		—		—		25.1
Processing
Natural gas	6.1		—		—		—		6.1

Compression
Natural gas	6.0		—		—		—		6.0
Storage
Crude oil	0.1		0.8		—		(0.3)		0.6
NGLs	—		—		3.4		—		3.4
Pipeline
Crude oil	—		1.7		—		(0.6)		1.1

Transportation
Crude oil	1.2		—		—		—		1.2
NGLs	—		—		3.1		—		3.1

Rail Loading
Crude oil	—		2.7		—		(0.9)		1.8

Product Sales
Natural gas	13.0		—		22.3		(12.9)		22.4
Crude oil	69.4		—		162.9		(15.6)		216.7
NGLs	16.4		—		145.6		(16.4)		145.6
Other	—		0.2		0.3		(0.1)		0.4
Total Topic 606 revenues	190.1		5.4		337.6		(46.8)		486.3
Non-Topic 606 revenues(1)	—		—		32.9		—		32.9
Total revenues	$	190.1	$	5.4	$	370.5	$	(46.8)	$	519.2

(1)Represents revenues primarily related to our commodity-based derivatives. See Note 6 for additional information related to our price risk management activities.


	Three Months Ended September 30, 2019
	Gathering and Processing		Storage and Transportation		Marketing, Supply and Logistics		Intersegment Elimination		Total
Topic 606 revenues
Gathering
Natural gas	$	43.7	$	—	$	—	$	—	$	43.7
Crude oil	20.1		—		—		—		20.1
Water	21.3		—		—		—		21.3
Processing
Natural gas	8.9		—		—		—		8.9

Compression
Natural gas	6.4		—		—		—		6.4
Storage
Crude oil	0.4		1.5		—		(0.5)		1.4
NGLs	—		—		1.6		—		1.6
Pipeline
Crude oil	—		2.6		—		(1.0)		1.6
Transportation
Crude oil	2.2		—		1.4		(0.1)		3.5
NGLs	—		—		2.3		—		2.3

Rail Loading
Crude oil	—		2.4		—		(1.2)		1.2

Product Sales
Natural gas	10.3		—		13.8		(6.5)		17.6
Crude oil	170.0		—		383.6		(24.1)		529.5
NGLs	8.1		—		119.2		(2.8)		124.5
Other	—		1.1		0.4		(0.9)		0.6
Total Topic 606 revenues	291.4		7.6		522.3		(37.1)		784.2
Non-Topic 606 revenues(1)	—		—		39.4		—		39.4
Total revenues	$	291.4	$	7.6	$	561.7	$	(37.1)	$	823.6

(1)Represents revenues primarily related to our commodity-based derivatives. See Note 6 for additional information related to our price risk management activities.


	Nine Months Ended September 30, 2020
	Gathering and Processing		Storage and Transportation		Marketing, Supply and Logistics		Intersegment Elimination		Total

Topic 606 revenues
Gathering
Natural gas	$	107.3	$	—	$	—	$	—	$	107.3
Crude oil	66.9		—		—		—		66.9
Water	66.4		—		—		—		66.4
Processing
Natural gas	23.4		—		—		—		23.4

Compression
Natural gas	18.0		—		—		—		18.0
Storage
Crude oil	1.0		2.5		—		(1.5)		2.0
NGLs	—		—		8.6		—		8.6
Pipeline
Crude oil	—		4.6		—		(1.5)		3.1
NGLs	—		—		0.2		—		0.2
Transportation
Crude oil	4.7		—		1.9		—		6.6
NGLs	—		—		7.4		—		7.4

Rail Loading
Crude oil	—		9.0		—		(3.5)		5.5

Product Sales
Natural gas	31.9		—		56.1		(31.4)		56.6
Crude oil	225.3		—		515.1		(39.0)		701.4
NGLs	28.9		—		398.3		(28.6)		398.6
Other	—		0.9		1.0		(0.6)		1.3
Total Topic 606 revenues	573.8		17.0		988.6		(106.1)		1,473.3
Non-Topic 606 revenues(1)	—		—		126.5		—		126.5
Total revenues	$	573.8	$	17.0	$	1,115.1	$	(106.1)	$	1,599.8

(1)Represents revenues primarily related to our commodity-based derivatives. See Note 6 for additional information related to our price risk management activities.


	Nine Months Ended September 30, 2019
	Gathering and Processing		Storage and Transportation		Marketing, Supply and Logistics		Intersegment Elimination		Total

Topic 606 revenues
Gathering
Natural gas	$	116.8	$	—	$	—	$	—	$	116.8
Crude oil	50.5		—		—		—		50.5
Water	57.1		—		—		—		57.1
Processing
Natural gas	19.5		—		—		—		19.5

Compression
Natural gas	18.6		—		—		—		18.6
Storage
Crude oil	1.4		4.4		—		(1.7)		4.1
NGLs	—		—		4.2		—		4.2
Pipeline
Crude oil	—		5.8		—		(2.2)		3.6
Transportation
Crude oil	5.5		—		4.4		(0.1)		9.8
NGLs	—		—		8.5		—		8.5

Rail Loading
Crude oil	—		13.5		—		(4.0)		9.5

Product Sales
Natural gas	40.0		—		44.0		(17.9)		66.1
Crude oil	411.8		—		965.1		(83.4)		1,293.5
NGLs	30.4		—		474.6		(10.1)		494.9
Other	—		3.4		0.7		(2.7)		1.4
Total Topic 606 revenues	751.6		27.1		1,501.5		(122.1)		2,158.1
Non-Topic 606 revenues(1)	—		—		184.1		—		184.1
Total revenues	$	751.6	$	27.1	$	1,685.6	$	(122.1)	$	2,342.2

(1)Represents revenues primarily related to our commodity-based derivatives. See Note 6 for additional information related to our price risk management activities.