Basis of Presentation and Summary of Significant Accounting Policies (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2017

Dec. 31, 2016

Estimated Useful Lives Of Property, Plant And Equipment

Depreciation is computed by the straight-line method over the estimated useful lives of the assets, as follows:


	Years
Gathering systems and pipelines		20
Facilities and equipment		20
Buildings, rights-of-way and easements		20 – 40
Office furniture and fixtures		5 – 10
Vehicles		5

Intangible Assets, Useful life

Certain intangible assets are amortized on a straight-line basis over their estimated economic lives, as follows:


	Weighted- Average Life *(years)*
Customer accounts		20
Covenants not to compete		5
Trademarks		6 - 8

Intangible assets consisted of the following at December 31, 2016 and 2015 (in millions):


	CEQP				CMLP
	December 31,				December 31,
	2016		2015		2016		2015
Customer accounts	$	541.9	$	583.7	$	541.9	$	583.7
Covenants not to compete		1.0		6.6		1.0		5.6
Gas gathering, compression and processing contracts		325.2		325.2		325.2		325.2
Acquired storage contracts		—		29.0		—		29.0
Trademarks		30.5		31.3		15.0		15.8

		898.6		975.8		883.1		959.3
Less: accumulated amortization		241.2		206.6		230.2		197.9

Total intangible assets, net	$	657.4	$	769.2	$	652.9	$	761.4

The following table summarizes the total of accumulated amortization of intangible assets by the type of intangible asset at December 31, 2016 and 2015 (in millions):


	CEQP				CMLP
	December 31,				December 31,
	2016		2015		2016		2015
Customer accounts	$	162.4	$	130.1	$	162.4	$	130.1
Covenants not to compete		—		2.5		—		1.7
Gas gathering, compression and processing contracts		63.2		44.3		63.2		44.3
Acquired storage contracts		—		18.5		—		18.5
Trademarks		15.6		11.2		4.6		3.3

Total accumulated amortization	$	241.2	$	206.6	$	230.2	$	197.9

Schedule of Goodwill

The following table summarizes the goodwill of our various reporting units (in millions):


	Goodwill Impairments during the Year Ended December 31, 2014		Goodwill at January 1, 2015		Goodwill Impairments during the Year Ended December 31, 2015		Goodwill at December 31, 2015		Impact of Deconsolidation of NE S&T Assets during the Year Ended December 31, 2016		Goodwill Impairments during the Year Ended December 31, 2016		Goodwill Additions during the Year Ended December 31, 2016⁽¹⁾		Goodwill at December 31, 2016
G&P
Fayetteville	$	4.3	$	72.5	$	72.5	$	—	$	—	$	—	$	—	$	—
Granite Wash		14.2		—		—		—		—		—		—		—
Marcellus		—		8.6		—		8.6		—		8.6		—		—
Arrow		—		45.9		—		45.9		—		—		—		45.9
S&T
Northeast Storage and Transportation		—		726.3		—		726.3		726.3		—		—		—
COLT		—		668.3		623.4		44.9		—		44.9		—		—
MS&L
West Coast		—		85.9		85.9		—		—		—		2.4		2.4
Supply and Logistics		—		266.2		99.0		167.2		—		65.5		—		101.7
Storage and Terminals		—		104.2		53.7		50.5		—		14.1		—		36.4
US Salt		2.2		12.6		—		12.6		—		—		—		12.6
Trucking		—		177.9		148.4		29.5		—		29.5		—		—
Watkins Glen		28.1		66.2		66.2		—		—		—		—		—

Total Crestwood Midstream	$	48.8	$	2,234.6	$	1,149.1	$	1,085.5	$	726.3	$	162.6	$	2.4	$	199.0

Barnett (G&P)		—		257.2		257.2		—		—		—		—		—

Total Crestwood Equity	$	48.8	$	2,491.8	$	1,406.3	$	1,085.5	$	726.3	$	162.6	$	2.4	$	199.0

(1)	In December 2016, we acquired four NGL terminals for our MS&L segment for approximately $7.2 million with total goodwill of approximately $2.4 million. This acquisition was not material to our consolidated financial statements as of and for the year ended December 31, 2016.

Schedule of Goodwill

The following table summarizes goodwill impairments of certain of our reporting units recorded during the three months ended March 31, 2016 (in millions):


Gathering and Processing
Marcellus	$	8.6
Storage and Transportation
COLT		13.7
Marketing, Supply and Logistics
Supply and Logistics		65.5
Storage and Terminals		14.1
Trucking		7.8

Total	$	109.7