Acquisitions (Acquisition of Mt. Airy Terminal) (Details) bbl / d in Thousands, bbl in Millions, $ in Millions |
Sep. 26, 2018
USD ($)
bbl / d
bbl
|
Dec. 31, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
---|---|---|---|---|
Business Acquisition [Line Items] | ||||
Goodwill | $ 20,184 | $ 3,586 | $ 3,587 | |
Mt. Airy Terminal | ||||
Business Acquisition [Line Items] | ||||
Storage capacity | bbl | 4 | |||
Barrels handled | bbl / d | 120 | |||
MPLX | Mt. Airy Terminal | ||||
Business Acquisition [Line Items] | ||||
Cash payment for acquisition | $ 451 | |||
Property, plant and equipment, net | 336 | |||
Goodwill | $ 126 |