Acquisitions and Investments - Acquisition of Ozark Pipeline (Details) - Ozark Pipeline bbl / d in Thousands, $ in Millions |
Mar. 01, 2017
USD ($)
bbl / d
in
mi
|
|---|---|
| Business Acquisition [Line Items] | |
| Pipeline length | mi | 433 |
| Pipeline diameter | in | 22 |
| Crude oil throughput | bbl / d | 230 |
| MPLX LP | |
| Business Acquisition [Line Items] | |
| Payments to acquire business, gross | $ | $ 219 |