Intangible Assets and Goodwill (Tables)

9 Months Ended

Sep. 30, 2020

Intangible Assets and Goodwill [Abstract]

Intangible Assets by Segment

The following table summarizes our intangible assets by business segment at the dates indicated:

	September 30, 2020							December 31, 2019
	Gross Value		Accumulated Amortization			Carrying Value		Gross Value		Accumulated Amortization			Carrying Value
NGL Pipelines & Services:
Customer relationship intangibles	$	447.8	$	(217.0	)	$	230.8	$	447.8	$	(206.3	)	$	241.5
Contract-based intangibles		162.6		(52.2	)		110.4		162.6		(43.9	)		118.7
Segment total		610.4		(269.2	)		341.2		610.4		(250.2	)		360.2
Crude Oil Pipelines & Services:
Customer relationship intangibles		2,203.5		(287.5	)		1,916.0		2,203.5		(243.5	)		1,960.0
Contract-based intangibles		283.1		(246.7	)		36.4		276.9		(235.0	)		41.9
Segment total		2,486.6		(534.2	)		1,952.4		2,480.4		(478.5	)		2,001.9
Natural Gas Pipelines & Services:
Customer relationship intangibles		1,350.3		(504.2	)		846.1		1,350.3		(481.6	)		868.7
Contract-based intangibles		470.7		(401.7	)		69.0		468.0		(395.5	)		72.5
Segment total		1,821.0		(905.9	)		915.1		1,818.3		(877.1	)		941.2
Petrochemical & Refined Products Services:
Customer relationship intangibles		181.4		(62.2	)		119.2		181.4		(57.5	)		123.9
Contract-based intangibles		46.0		(25.3	)		20.7		46.0		(24.2	)		21.8
Segment total		227.4		(87.5	)		139.9		227.4		(81.7	)		145.7
Total intangible assets	$	5,145.4	$	(1,796.8	)	$	3,348.6	$	5,136.5	$	(1,687.5	)	$	3,449.0

Amortization Expense of Intangible Assets by Segment

The following table presents the amortization expense of our intangible assets by business segment for the periods indicated:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2020		2019		2020		2019
NGL Pipelines & Services	$	6.2	$	7.3	$	19.0	$	25.4
Crude Oil Pipelines & Services		16.0		25.1		55.7		71.2
Natural Gas Pipelines & Services		9.0		10.3		28.8		31.2
Petrochemical & Refined Products Services		1.9		2.1		5.8		6.5
Total	$	33.1	$	44.8	$	109.3	$	134.3

Forecasted Amortization Expense

The following table presents our forecast of amortization expense associated with existing intangible assets for the periods indicated:

Remainder of 2020		2021		2022		2023		2024
$	45.1	$	145.5	$	162.3	$	169.9	$	165.7