v3.26.1
Employee Benefit Plan, Fair Value and NAV Practical Expedient (Tables)
 12 Months Ended
Dec. 31, 2025
EBP 31-1537655-010  
EBP, Investment, Fair Value and NAV [Line Items]  
EBP, Investment, Fair Value and NAV
The following tables set forth by level, within the fair value hierarchy, the Plan’s investments at fair value:
 December 31, 2025
 Level 1Level 2Level 3Total
Mutual funds$1,409,289,821 $— $— $1,409,289,821 
Common/collective trusts— 6,503,879,340 — 6,503,879,340 
Self-directed Brokerage Accounts*376,939,003 — — 376,939,003 
Marathon Petroleum Corporation (“MPC”) Common Stock849,461,397 — — 849,461,397 
Total investments, at fair value$2,635,690,221 $6,503,879,340 $— $9,139,569,561 
 December 31, 2024
 Level 1Level 2Level 3Total
Mutual funds$1,334,090,679 $— $— $1,334,090,679 
Common/collective trusts— 5,409,989,104 — 5,409,989,104 
Self-directed Brokerage Accounts*293,661,753 — — 293,661,753 
MPC Common Stock789,270,009 — — 789,270,009 
Total investments, at fair value$2,417,022,441 $5,409,989,104 $— $7,827,011,545 
*    Includes interest-bearing cash