v3.24.3
Debt (Tables)
9 Months Ended
Sep. 30, 2024
Debt Disclosure [Abstract]  
Schedule of Debt
MPLX’s outstanding borrowings consist of the following:
(In millions)September 30,
2024
December 31,
2023
MPLX LP:
MPLX Credit Agreement$— $— 
Fixed rate senior notes22,307 20,657 
Consolidated subsidiaries:
MarkWest12 12 
ANDX31 31 
Finance lease obligations6 6 
Total22,356 20,706 
Unamortized debt issuance costs(129)(122)
Unamortized discount(141)(153)
Amounts due within one year(2,836)(1,135)
Total long-term debt due after one year$19,250 $19,296