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MPLX LP - Private Placement of Preferred Units (Details) - MPLX LP - Series A Convertible Preferred Units $ / shares in Units, shares in Millions, $ in Millions | May 13, 2016 USD ($) $ / shares shares
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Noncontrolling Interest [Line Items] |
Sale of units (in number of preferred units) | shares | 30.8
Preferred units, dividend rate, percentage | 6.50%
Issuance of MPLX LP redeemable preferred units | $ | $ 984
Preferred units, distribution rate, per-dollar-amount | $ 0.528125
Preferred units, description | The MPLX Preferred Units are convertible into MPLX common units on a one for one basis after three years, at the purchasers’ option, and after four years at MPLX’s option, subject to certain conditions.
Preferred Units |
Noncontrolling Interest [Line Items] |
Units issued, price per unit | $ 32.50

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