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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

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- Definition Total contributions made by each class of partners (i.e., general, limited and preferred partners). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-8 + Details
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480070/505-10-S50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480100/505-10-S45-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480657/210-10-S50-11 + Details
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