v3.26.1
Consolidated Statements of Equity and Series A Preferred Units (Consolidated Statements of Equity) - USD ($)
$ in Millions
Total
Common Unit-holders Public
Common Unit-holder MPC
Accumulated Other Comprehensive Income
Non-controlling Interests
Beginning Balance at Dec. 31, 2024 $ 13,807 $ 9,322 $ 4,257 $ (3) $ 231
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 1,136 410 716 0 10
Unit repurchases (100) (100) 0 0 0
Conversion of Series A preferred units 197 197 0 0 0
Distributions (983) (353) (619) 0  
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders         (11)
Contributions 7 0 7 0 0
Other 4 (4) 0 8 0
Ending Balance at Mar. 31, 2025 14,068 9,472 4,361 5 230
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 1,058 384 664 0 10
Unit repurchases (100) (100) 0 0 0
Distributions (987) (357) (619) 0  
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders         (11)
Contributions 7 0 7 0 0
Other 3 3 0 0 0
Ending Balance at Jun. 30, 2025 14,049 9,402 4,413 5 229
Beginning Balance at Dec. 31, 2025 14,528 9,451 4,845 5 227
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 922 330 582 0 10
Unit repurchases (50) (50) 0 0 0
Distributions (1,104) (396) (697) 0  
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders         (11)
Contributions 4 0 4 0 0
Other (3) (3) 0 0 0
Ending Balance at Mar. 31, 2026 14,297 9,332 4,734 5 226
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net income 1,087 390 687 0 10
Unit repurchases (50) (50) 0 0 0
Distributions (1,103) (395) (697) 0  
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders         (11)
Contributions 18 0 18 0 0
Other 3 4 (1) 0 0
Ending Balance at Jun. 30, 2026 $ 14,252 $ 9,281 $ 4,741 $ 5 $ 225