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v3.25.2

Debt (Outstanding Borrowings) (Detail) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Total debt | $ 29,014 | $ 27,797
Unamortized debt issuance costs | (171) | (142)
Unamortized discount, net of unamortized premium | (189) | (174)
Amounts due within one year | (1,819) | (3,049)
Long-term debt | 26,835 | 24,432
MPC: |  |
Commercial paper | 210 | 0
Finance lease obligations | 680 | 718
Total debt | 7,507 | 6,591
MPC: | Senior notes |  |
Long-term debt, gross | 6,449 | 5,699
MPC: | Bonds |  |
Other long-term debt | 168 | 174
MPLX: |  |
Finance lease obligations | 7 | 6
Total debt | 21,507 | 21,206
MPLX: | Senior notes |  |
Long-term debt, gross | $ 21,500 | $ 21,200

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