Acquisitions and Investments - Investment in Pipeline Company (Details)
bbl / d in Thousands, $ in Millions |
|
3 Months Ended |
|
Feb. 15, 2017
USD ($)
bbl / d
|
Mar. 31, 2017
USD ($)
|
| Bakken Pipeline System |
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
| Crude oil throughput | bbl / d |
520
|
|
| MarEn Bakken |
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
| Cash paid to acquire equity method investments |
|
$ 500
|
| MPLX LP | Bakken Pipeline System |
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
| Equity method investments, ownership percentage |
9.20%
|
|
| MPLX LP | MarEn Bakken |
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
| Cash paid to acquire equity method investments |
$ 500
|
|
| Equity method investments, ownership percentage |
25.00%
|
|
| MPC & Enbridge Energy Partners | Bakken Pipeline System |
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
| Percentage of ownership interest in joint venture acquired |
36.75%
|
|
| MPC & Enbridge Energy Partners | MarEn Bakken |
|
|
| Schedule of Equity Method Investments [Line Items] |
|
|
| Cash paid to acquire equity method investments |
$ 2,000
|
|