v3.6.0.2

Note 6 - Investment - Equity Method and Joint Ventures Equity Method Investments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Equity Method Investments and Joint Ventures [Abstract] |
Equity Method Investments [Table Text Block] | EQUITY METHOD INVESTMENTS (in millions)
| RGS |  | TRG |  | UBFS |  | Total
Balance at December 31, 2014 | $ | — |  |  | $ | 40 |  |  | $ | 18 |  |  | $ | 58 |
Investments | — |  |  | 3 |  | (c) | — |  | (c) | 3 |
Equity in earnings | — |  |  | 5 |  |  | 2 |  |  | 7 |
Distributions received | — |  |  | (6 | ) |  | (4 | ) |  | (10 | )
Balance at December 31, 2015 (a) | — |  |  | 42 |  |  | 16 |  |  | 58 |
Effect of deconsolidation (b) | 295 |  |  | — |  |  | — |  |  | 295 |
Equity in earnings | 8 |  |  | 2 |  |  | 3 |  |  | 13 |
Distributions received | (22 | ) |  | (4 | ) |  | (3 | ) |  | (29 | )
Balance at December 31, 2016 (a) | $ | 281 |  |  | $ | 40 |  |  | $ | 16 |  |  | $ | 337 |
(a) | The carrying amount of our investments in RGS, TRG and UBFS exceeded the underlying equity in net assets by $135 million, $16 million and $7 million, respectively, at December 31, 2016. The carrying amount of our investments in TRG and UBFS exceeded the underlying equity in net assets by $17 million and $8 million, respectively, at December 31, 2015. The carrying amounts of our investments that exceed the underlying equity in net assets are amortized over the useful life of the underlying fixed assets and included in equity in earnings (loss).
(b) | We recognized an increase of $295 million to equity method investments as of January 1, 2016 as a result of the deconsolidation of RGS. The carrying amount of our investment in RGS exceeded the underlying equity in net assets by $135 million at December 31, 2016
(c) | Includes the final fair value adjustment resulting from measurement period changes related to TLLP’s Rockies Natural Gas Business in 2015.

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration