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Acquisitions and Dispositions | 12 Months Ended
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Dec. 31, 2017
Business Combinations [Abstract] |
Acquisitions and Dispositions | Acquisitions and Dispositions The following acquisitions, excluding acquired interests accounted for under the equity method of accounting mentioned specifically below, were accounted for using the acquisition method of accounting and the determination of the fair value of the assets and liabilities acquired has been estimated in accordance with the applicable accounting guidance. Acquisitions 2017 Alpha Crude Connector Acquisition On February 14, 2017, we acquired all of the issued and outstanding membership interests in Alpha Holding Company, LLC for cash consideration of approximately $1.215 billion, subject to working capital and other adjustments (the “ACC Acquisition”). The ACC Acquisition was initially funded through borrowings under our senior unsecured revolving credit facility. Such borrowings were subsequently repaid with proceeds from our March 2017 issuance of common units to AAP pursuant to the Omnibus Agreement and in connection with a PAGP underwritten equity offering. See Note 11 for additional information. Upon completion of the ACC Acquisition, we became the owner of a crude oil gathering system known as the “Alpha Crude Connector” (the “ACC System”) located in the Northern Delaware Basin in Southeastern New Mexico and West Texas. The ACC System comprises approximately 515 miles of gathering and transmission lines and five market interconnects, including to our Basin Pipeline at Wink. During 2017, we made additional interconnects to our existing Northern Delaware Basin systems as well as additional enhancements to increase the ACC System capacity to approximately 350,000 barrels per day, depending on the level of volume at each delivery point. The ACC System is supported by acreage dedications covering approximately 315,000 gross acres, including a significant acreage dedication from one of the largest producers in the region. The ACC System complements our other Permian Basin assets and enhances the services available to the producers in the Northern Delaware Basin. The following table reflects the fair value determination (in millions):
Identifiable assets acquired and liabilities assumed: |  | Estimated Useful Lives (Years) |  | Recognized amount
Property and equipment |  | 3 - 70 |  | $ | 299 |
Intangible assets |  | 20 |  | 646 |
Goodwill |  | N/A |  | 269 |
Other assets and liabilities, net (including $4 million of cash acquired) |  | N/A |  | 1 |
|  |  |  | $ | 1,215 |
Intangible assets are included in “Other long-term assets, net” on our Consolidated Balance Sheets. The determination of fair value to intangible assets above is comprised of five acreage dedication contracts and associated customer relationships that will be amortized over a remaining weighted average useful life of approximately 20 years. The value assigned to such intangible assets will be amortized to earnings using methods that closely resemble the pattern in which the economic benefits will be consumed. Amortization expense was approximately $10 million for the period from February 14, 2017 through December 31, 2017, and the future amortization expense is estimated as follows for the next five years (in millions):
2018 |  | $ | 25 |
2019 |  | $ | 34 |
2020 |  | $ | 42 |
2021 |  | $ | 48 |
2022 |  | $ | 54 |
Goodwill is an intangible asset representing the future economic benefits expected to be derived from other assets acquired that are not individually identified and separately recognized. The goodwill arising from the ACC Acquisition, which is tax deductible, represents the anticipated opportunities to generate future cash flows from undedicated acreage and the synergies created between the ACC System and our existing assets. The assets acquired in the ACC Acquisition, as well as the associated goodwill, are primarily included in our Transportation segment. During the year ended December 31, 2017, we incurred approximately $6 million of acquisition-related costs associated with the ACC Acquisition. Such costs are reflected as a component of general and administrative expenses in our Consolidated Statements of Operations. Pro forma financial information assuming the ACC Acquisition had occurred as of the beginning of the calendar year prior to the year of acquisition, as well as the revenues and earnings generated during the period since the acquisition date, were not material for disclosure purposes. Other Acquisitions In February 2017, we acquired a propane marine terminal for cash consideration of approximately $41 million. The assets acquired are included in our Facilities segment. We did not recognize any goodwill related to this acquisition. On April 3, 2017, we and an affiliate of Noble Midstream Partners LP (“Noble”) completed the acquisition of Advantage Pipeline, L.L.C. (“Advantage”) through a newly formed 50/50 joint venture (the “Advantage Joint Venture”). We account for our interest in the Advantage Joint Venture under the equity method of accounting. See Note 8 for additional discussion of our equity method investments. 2016 During the year ended December 31, 2016, we completed two acquisitions for aggregate cash consideration of $289 million. These acquisitions included (i) an integrated system of NGL assets in Western Canada for cash consideration of approximately $204 million and (ii) the remaining interest in a Gulf Coast pipeline that was subsequently sold during the year. The assets acquired were primarily included in our Transportation and Facilities segments. We did no t recognize any goodwill related to these acquisitions. 2015 During the year ended December 31, 2015, we completed three acquisitions for aggregate cash consideration of $105 million. These acquisitions included (i) an additional approximate 28% interest in Frontier Aspen LLC, which is accounted for under the equity method of accounting, (ii) a crude oil terminal included in our Facilities segment and (iii) the remaining interest in a pipeline system included in our Transportation segment. We recognized goodwill of $11 million related to these acquisitions. See Note 8 for additional discussion of our equity method investments. Dispositions and Divestitures During the year ended December 31, 2017, we sold certain non-core assets for total proceeds of $1.1 billion, including:
• | certain of our Bay Area terminal assets located in California;
• | our Bluewater natural gas storage facility located in Michigan;
• | certain non-core pipelines in the Rocky Mountain and Bakken regions, including our interest in SLC Pipeline LLC;
• | non-core pipeline segments primarily located in the Midwestern United States; and
• | a 40% undivided interest in a segment of our Red River Pipeline extending from Cushing, Oklahoma to the Hewitt Station near Ardmore, Oklahoma for our net book value.
The Bay Area terminal assets and the Bluewater natural gas storage facility were reported in our Facilities segment. The pipeline assets were reported in our Transportation segment. See Note 8 for additional discussion. In the aggregate, including non-cash impairments recognized upon reclassifications to assets held for sale, we recognized a net gain related to pending or completed asset sales of approximately $43 million for the year ended December 31, 2017, which is included in “Depreciation and amortization” on our Consolidated Statement of Operations. Such amount is comprised of gains of $123 million and losses of $80 million. During the year ended December 31, 2016, we sold several non-core assets, including certain of our Gulf Coast pipelines and East Coast refined products terminals. In addition, we sold interests in Cheyenne Pipeline LLC and STACK Pipeline LLC. See Note 8 for additional discussion. In the aggregate, we recognized a net gain of approximately $100 million related to these transactions, which is included in “Depreciation and amortization” on our Consolidated Statement of Operations. Such amount is comprised of gains of $158 million and losses of $58 million, including $15 million of impairment of goodwill that was included in a disposal group classified as held for sale prior to the closing of such transaction. During 2015, we sold various property and equipment and recognized a net loss of $2 million, which is included in “Depreciation and amortization” on our Consolidated Statement of Operations. As of December 31, 2017, we classified approximately $80 million of assets as held for sale on our Consolidated Balance Sheet (in “Other current assets”) primarily related to a definitive agreement to sell non-core property and equipment included in our Facilities segment. We expect the sale to be consummated in the first half of 2018, subject to customary closing conditions, as applicable. As of December 31, 2016, we classified approximately $275 million of assets as held for sale on our Consolidated Balance Sheet (in “Other current assets”) primarily related to a definitive agreement to sell non-core assets, which were property and equipment included in our Facilities segment.

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- Definition The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2122178 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -URI http://asc.fasb.org/topic&trid=2303972 + Details
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