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Advances to and Investments in Unconsolidated Affiliates | 12 Months Ended
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Dec. 31, 2018
Investment In Affiliates [Abstract] |
Investments In Affiliates | ADVANCES TO AND INVESTMENTS IN UNCONSOLIDATED AFFILIATES: Citrus ETO owns CrossCountry, which in turn owns a 50% interest in Citrus. The other 50% interest in Citrus is owned by a subsidiary of KMI. Citrus owns 100% of FGT, an approximately 5,344-mile natural gas pipeline system that originates in Texas and delivers natural gas to the Florida peninsula. Our investment in Citrus is reflected in our interstate transportation and storage segment. FEP ETO has a 50% interest in FEP which owns an approximately 185-mile natural gas pipeline that originates in Conway County, Arkansas, continues eastward through White County, Arkansas and terminates at an interconnect with Trunkline Gas Company in Panola County, Mississippi. ETO’s investment in FEP is reflected in the interstate transportation and storage segment. The Partnership evaluated its investment in FEP for impairment as of December 31, 2017, based on FASB Accounting Standards Codification 323, Investments - Equity Method and Joint Ventures. The Partnership recorded an impairment of its investment in FEP of $141 million during the year ended December 31, 2017 due to a negative outlook for long-term transportation contracts as a result of a decrease in production in the Fayetteville basin and a customer re-contracting with a competitor. MEP ETO owns a 50% interest in MEP, which owns approximately 500 miles of natural gas pipeline that extends from Southeast Oklahoma, across Northeast Texas, Northern Louisiana and Central Mississippi to an interconnect with the Transcontinental natural gas pipeline system in Butler, Alabama. ETO’s investment in MEP is reflected in the interstate transportation and storage segment. The Partnership evaluated its investment in MEP for impairment as of September 30, 2016, based on FASB Accounting Standards Codification 323, Investments - Equity Method and Joint Ventures. Based on commercial discussions with existing and potential shippers on MEP regarding the outlook for long-term transportation contract rates, the Partnership concluded that the fair value of its investment was other than temporarily impaired, resulting in a non-cash impairment of $308 million during the year ended December 31, 2016. HPC ETO previously owned a 49.99% interest in HPC, which owns RIGS, which delivers natural gas from northwest Louisiana to downstream pipelines and markets through a 450-mile intrastate pipeline system. In April 2018, ETO acquired the remaining 50.01% interest in HPC. Prior to April 2018, HPC was reflected as an unconsolidated affiliate in ETO’s financial statements; beginning in April 2018, RIGS is reflected as a wholly-owned subsidiary in ETO’s financial statements. The carrying values of the Partnership’s investments in unconsolidated affiliates as of December 31, 2018 and 2017, were as follows:
| December 31,
| 2018 |  | 2017
Citrus | $ | 1,737 |  |  | $ | 1,754 |
FEP | 107 |  |  | 121 |
MEP | 225 |  |  | 242 |
HPC | — |  |  | 28 |
Others | 573 |  |  | 560 |
Total | $ | 2,642 |  |  | $ | 2,705 |
The following table presents equity in earnings (losses) of unconsolidated affiliates:
| Years Ended December 31,
| 2018 |  | 2017 |  | 2016
Citrus | $ | 141 |  |  | $ | 144 |  |  | $ | 102 |
FEP | 55 |  |  | 53 |  |  | 51 |
MEP | 31 |  |  | 38 |  |  | 40 |
HPC (1) | 3 |  |  | (168 | ) |  | 31 |
Other | 114 |  |  | 77 |  |  | 46 |
Total equity in earnings of unconsolidated affiliates | $ | 344 |  |  | $ | 144 |  |  | $ | 270 |
(1) | For the year ended December 31, 2017, equity in earnings (losses) of unconsolidated affiliates includes the impact of non-cash impairments recorded by HPC, which reduced the Partnership’s equity in earnings by $185 million.
Summarized Financial Information The following tables present aggregated selected balance sheet and income statement data for our unconsolidated affiliates, Citrus, FEP, MEP, and HPC (on a 100% basis) for all periods presented, except as noted below:
| December 31,
| 2018 (1) |  | 2017
Current assets | $ | 212 |  |  | $ | 206 |
Property, plant and equipment, net | 7,800 |  |  | 8,437 |
Other assets | 39 |  |  | 43 |
Total assets | $ | 8,051 |  |  | $ | 8,686 |
Current liabilities | $ | 1,534 |  |  | $ | 861 |
Non-current liabilities | 3,439 |  |  | 4,492 |
Equity | 3,078 |  |  | 3,333 |
Total liabilities and equity | $ | 8,051 |  |  | $ | 8,686 |
| Years Ended December 31,
| 2018 (1) |  | 2017 |  | 2016
Revenue | $ | 1,249 |  |  | $ | 1,358 |  |  | $ | 1,164 |
Operating income | 723 |  |  | 407 |  |  | 714 |
Net income | 460 |  |  | 145 |  |  | 384 |
(1) | Selected balance sheet data as of December 31, 2018 does not include HPC and selected income data for the year ended December 31, 2018 reflects HPC’s results for January 1, 2018 through March 31, 2018. HPC was fully consolidated beginning April 1, 2018 as discussed above.
In addition to the equity method investments described above we have other equity method investments which are not significant to our consolidated financial statements.

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- Definition Investment In Affiliates [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for the information summarizing investments in and advances to majority-owned subsidiaries, other controlled companies, and other affiliates. It reflects specified information about ownership, financial results from, and financial position in such entities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI http://asc.fasb.org/subtopic&trid=2324412 + Details
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