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 Loss |
Non-controlling Interests |
Series B Preferred Unit-holders |
|---|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2022 | $ 12,546 | $ 8,413 | $ 3,293 | $ (8) | $ 237 | $ 611 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
| Net income | 929 | 323 | 592 | 0 | 9 | 5 |
| Partners' Capital Account, Redemptions | (600) | (2) | (3) | 0 | 0 | (595) |
| Distributions | (808) | (275) | (502) | 0 | (21) | |
| Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | (10) | |||||
| Contributions | 8 | 0 | 8 | 0 | 0 | 0 |
| Other | 5 | 0 | 0 | 4 | 1 | 0 |
| Ending Balance at Mar. 31, 2023 | 12,080 | 8,459 | 3,388 | (4) | 237 | $ 0 |
| Beginning Balance at Dec. 31, 2023 | 12,689 | 8,700 | 3,758 | (4) | 235 | |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
| Net income | 1,005 | 355 | 640 | 0 | 10 | |
| Unit repurchases | (75) | (75) | 0 | 0 | 0 | |
| Partners' Capital Account, Exchanges and Conversions | 321 | 321 | 0 | 0 | 0 | |
| Distributions | (864) | (303) | (550) | 0 | ||
| Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders | (11) | |||||
| Contributions | 10 | 0 | 10 | 0 | 0 | |
| Other | 0 | (1) | 0 | 1 | 0 | |
| Ending Balance at Mar. 31, 2024 | $ 13,086 | $ 8,997 | $ 3,858 | $ (3) | $ 234 |