v3.24.3
Net Income Per Limited Partner Unit (Tables)
 9 Months Ended
Sep. 30, 2024
Earnings Per Share [Abstract]  
Schedule of Net Income Per Unit, Basic and Diluted
Three Months Ended 
September 30,		Nine Months Ended 
September 30,
(In millions, except per unit data)2024202320242023
Net income attributable to MPLX LP(1):
$1,037 $918 $3,218 $2,794 
Less: Distributions declared on Series A preferred units6 25 21 71 
Distributions declared on Series B preferred units— — — 5 
Undistributed earnings allocated to participating securities— 1 7 9 
Impact of redemption of Series B preferred units— — — 5 
Net Income available to common unitholders$1,031 $892 $3,190 $2,704 
Weighted average units outstanding:
Basic1,020 1,001 1,016 1,001 
Diluted1,020 1,001 1,016 1,001 
Net income attributable to MPLX LP per limited partner unit:
Basic$1.01 $0.89 $3.14 $2.70 
Diluted$1.01 $0.89 $3.14 $2.70 
(1)    Allocation of net income attributable to MPLX LP assumes all earnings for the period have been distributed based on the distribution priorities applicable to the period.