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Operating Segments (Notes) | 9 Months Ended
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Sep. 30, 2017
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] |
Segment Disclosures | OPERATING SEGMENTS We changed our operating segment presentation in the first quarter of 2017 to reflect our expanded gathering and processing assets and operations and how our chief operating decision maker (“CODM”) manages our business. With the completion of the North Dakota Gathering and Processing Assets acquisition on January 1, 2017, our gathering and processing assets and operations expanded significantly and enhanced our ability to offer integrated gathering and processing services to our customers. Given the business’s focus on providing integrated services along with the revised reporting structure implemented by management to assess performance and make resource allocation decisions, we have determined our operating segments, which are the same for reporting purposes, are the (i) Terminalling and Transportation segment and (ii) Gathering and Processing segment. No changes were deemed necessary to our Terminalling and Transportation segment. Comparable prior period information for the newly presented Gathering and Processing segment has been recast to reflect our current presentation. In addition, as part of the CODM’s reevaluation of how it monitors and evaluates the business and allocates resources, management revised its methodology for the allocation of corporate general and administrative expenses which resulted in additional corporate costs being allocated to our Gathering and Processing segment for certain administrative activities associated with our gathering and processing business in the Rockies region. The change to our Terminalling and Transportation segment was not material. Comparable prior period segment information has been recast to reflect our revised allocation methodology. WNRL’s assets include a wholesale business that distributes wholesale petroleum products. The wholesale business operates under commercial and service agreements with Andeavor and sells refined products to third parties. WNRL’s wholesale business purchases substantially all of its petroleum fuels from Andeavor and all of its other petroleum fuels from third-party suppliers. In addition to its sales to Andeavor, the principal customers are retail fuel distributors and the mining, construction, utility, manufacturing, transportation, aviation and agricultural industries. We have presented the wholesale business as a separate segment. Our Terminalling and Transportation segment consists of crude oil and refined products terminals and marine terminals, storage facilities for crude oil, refined products and petroleum coke handling, rail-car unloading facilities and pipelines, which transport products and crude oil, including WNRL assets that are structured similarly and provide comparable services. Our Gathering and Processing segment consists of crude oil, natural gas and produced water gathering systems and natural gas processing assets in the Bakken Shale/Williston Basin area of North Dakota and Montana, the Green River Basin, Uinta Basin and Vermillion Basin in the states of Utah, Colorado and Wyoming, the Delaware Basin in the Permian Basin area of West Texas and Southern New Mexico, the Four Corners area of Northwestern New Mexico, and the Upper Great Plains region as well as gas processing complexes and fractionation facilities, including WNRL’s crude oil gathering assets that are structured similarly and provide comparable services. Our Wholesale segment includes the operations of bulk petroleum distribution facilities and a fleet of crude oil, refined product, asphalt and lubricant delivery trucks. Our Wholesale segment distributes commercial wholesale petroleum products primarily in Arizona, Colorado, Nevada, New Mexico and Texas. Our revenues are generated from commercial contracts we have entered into with Andeavor and with third-party contracts under which we are paid fees for gathering crude oil, natural gas and produced water, processing natural gas and distributing, transporting and storing crude oil, refined products, natural gas and natural gas liquids. The commercial agreements with Andeavor are described in Note 3 to our Annual Report on Form 10-K for the year ended December 31, 2016 and in Note 3 for agreements related to the WNRL Merger. We do not have any foreign operations. Our operating segments are strategic business units that offer different services in various geographical locations. We evaluate the performance of each segment based on its respective operating income. Certain general and administrative expenses and interest and financing costs are excluded from segment operating income as they are not directly attributable to a specific operating segment. Identifiable assets are those used by the segment, whereas other assets are principally cash, deposits and other assets that are not associated with a specific operating segment. SEGMENT INFORMATION (in millions)
| Nine Months Ended September 30,
| 2017 |  | 2016
Revenues |  |  |
Terminalling and Transportation: |  |  |
Terminalling | $ | 492 |  |  | $ | 345 |
Pipeline transportation | 97 |  |  | 93 |
Total Terminalling and Transportation | 589 |  |  | 438 |
Gathering and Processing: |  |  |
NGL sales | 254 |  |  | 78 |
Gas gathering and processing | 252 |  |  | 198 |
Crude oil and water gathering | 147 |  |  | 100 |
Pass-thru and other | 111 |  |  | 87 |
Total Gathering and Processing | 764 |  |  | 463 |
Wholesale (a): |  |  |
Fuel sales | 730 |  |  | — |
Other wholesale | 28 |  |  | — |
Total Wholesale | 758 |  |  | — |
Total Segment Revenues | $ | 2,111 |  |  | $ | 901 |
Segment Operating Income |  |  |
Terminalling and Transportation | $ | 343 |  |  | $ | 211 |
Gathering and Processing | 170 |  |  | 173 |
Wholesale (a) | 10 |  |  | — |
Total Segment Operating Income | 523 |  |  | 384 |
Unallocated general and administrative expenses | (33 | ) |  | (20 | )
Interest and financing costs, net | (186 | ) |  | (138 | )
Equity in earnings of equity method investments | 7 |  |  | 10 |
Other income, net | 3 |  |  | 6 |
Net Earnings | $ | 314 |  |  | $ | 242 |
Capital Expenditures |  |  |
Terminalling and Transportation | $ | 89 |  |  | $ | 99 |
Gathering and Processing | 64 |  |  | 82 |
Wholesale (a) | — |  |  | — |
Total Capital Expenditures | $ | 153 |  |  | $ | 181 |
(a) | The Wholesale business was acquired by Andeavor Logistics as part of the WNRL Merger on October 30, 2017 and the results are only for the period of June 1, 2017 through the end of the period.
TOTAL IDENTIFIABLE ASSETS BY OPERATING SEGMENT (in millions)
| September 30, 2017 |  | December 31, 2016
Identifiable Assets |  |  |
Terminalling and Transportation | $ | 2,508 |  |  | $ | 1,768 |
Gathering and Processing | 5,066 |  |  | 3,392 |
Wholesale (a) | 556 |  |  | — |
Other (b) | 44 |  |  | 700 |
Total Identifiable Assets | $ | 8,174 |  |  | $ | 5,860 |
(a) | The Wholesale business was acquired by Andeavor Logistics as part of the WNRL Merger on October 30, 2017.
(b) | Other consists mainly of $688 million in cash and cash equivalents as of December 31, 2016, of which $673 million was used to fund the acquisition of the North Dakota Gathering and Processing Assets on January 1, 2017, increasing the Gathering and Processing segment’s identifiable assets as of September 30, 2017.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 + Details
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