v3.7.0.1

Operating Segments Operating Segments, Identifiable Assets (Details) - USD ($) $ in Millions | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016 | [1] | Dec. 31, 2015 | [1]
--- | --- | --- | --- | --- | --- | ---
Property, Plant and Equipment |  |  |  |  |
Assets |  | $ 5,839 | $ 5,860 |  |
Cash and cash equivalents |  | 20 | 688 | $ 682 | $ 16
Gathering and Processing |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Assets |  | 4,035 | 3,392 |  |
Terminalling and Transportation |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Assets |  | 1,778 | 1,768 |  |
Corporate and Other [Member] |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Assets | [2] | $ 26 | 700 |  |
North Dakota Gathering and Processing Assets [Member] |  |  |  |  |
Property, Plant and Equipment |  |  |  |  |
Cash and cash equivalents |  |  | $ 673 |  |
[1] | (a)Adjusted to include the historical results of the Predecessors. See Note 1 for further discussion.
[2] | 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 June 30, 2017.

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