| MPLX LP |
| Q4-CY2025 | Q3-CY2025 | Q2-CY2025 | Q1-CY2025 | Q4-CY2024 | Q3-CY2024 | Q2-CY2024 | Q1-CY2024 | Q4-CY2023 | Q3-CY2023 | Q2-CY2023 | Q1-CY2023 | Q4-CY2022 | Q3-CY2022 | Q2-CY2022 | Q1-CY2022 | Q4-CY2021 | Q3-CY2021 | Q2-CY2021 | Q1-CY2021 | Q4-CY2020 | Q3-CY2020 | Q2-CY2020 | Q1-CY2020 | Q4-CY2019 | Q3-CY2019 | Q2-CY2019 | Q1-CY2019 | Q4-CY2018 | Q3-CY2018 | Q2-CY2018 | Q1-CY2018 | Q4-CY2017 | Q3-CY2017 | Q2-CY2017 | Q1-CY2017 | Q4-CY2016 | Q3-CY2016 | Q2-CY2016 | Q1-CY2016 | Q4-CY2015 | Q3-CY2015 | Q2-CY2015 | Q1-CY2015 | Q4-CY2014 | Q3-CY2014 | Q2-CY2014 | Q1-CY2014 | Q4-CY2013 |
| Balance Sheet Date | | | 2025-Jun-30 | 2025-Mar-31 | 2024-Dec-31 | 2024-Sep-30 | 2024-Jun-30 | 2024-Mar-31 | 2023-Dec-31 | 2023-Sep-30 | 2023-Jun-30 | 2023-Mar-31 | 2022-Dec-31 | 2022-Sep-30 | 2022-Jun-30 | 2022-Mar-31 | 2021-Dec-31 | 2021-Sep-30 | 2021-Jun-30 | 2021-Mar-31 | 2020-Dec-31 | 2020-Sep-30 | 2020-Jun-30 | 2020-Mar-31 | 2019-Dec-31 | 2019-Sep-30 | 2019-Jun-30 | 2019-Mar-31 | 2018-Dec-31 | 2018-Sep-30 | 2018-Jun-30 | 2018-Mar-31 | 2017-Dec-31 | 2017-Sep-30 | 2017-Jun-30 | 2017-Mar-31 | 2016-Dec-31 | 2016-Sep-30 | 2016-Jun-30 | 2016-Mar-31 | 2015-Dec-31 | 2015-Sep-30 | 2015-Jun-30 | 2015-Mar-31 | 2014-Dec-31 | 2014-Sep-30 | 2014-Jun-30 | 2014-Mar-31 | 2013-Dec-31 |
| Fiscal Period | | | Q2-FY2025 | Q1-FY2025 | Q4-FY2024 | Q3-FY2024 | Q2-FY2024 | Q1-FY2024 | Q4-FY2023 | Q3-FY2023 | Q2-FY2023 | Q1-FY2023 | Q4-FY2022 | Q3-FY2022 | Q2-FY2022 | Q1-FY2022 | Q4-FY2021 | Q3-FY2021 | Q2-FY2021 | Q1-FY2021 | Q4-FY2020 | Q3-FY2020 | Q2-FY2020 | Q1-FY2020 | Q4-FY2019 | Q3-FY2019 | Q2-FY2019 | Q1-FY2019 | Q4-FY2018 | Q3-FY2018 | Q2-FY2018 | Q1-FY2018 | Q4-FY2017 | Q3-FY2017 | Q2-FY2017 | Q1-FY2017 | Q4-FY2016 | Q3-FY2016 | Q2-FY2016 | Q1-FY2016 | Q4-FY2015 | Q3-FY2015 | Q2-FY2015 | Q1-FY2015 | Q4-FY2014 | Q3-FY2014 | Q2-FY2014 | Q1-FY2014 | Q4-FY2013 |
| Total Revenue | | | 2,356,000,000$ | 2,460,000,000$ | 2,417,000,000$ | 2,345,000,000$ | 2,255,000,000$ | 2,172,000,000$ | 2,247,000,000$ | 2,283,000,000$ | 2,076,000,000$ | 2,127,000,000$ | 2,087,000,000$ | 2,321,000,000$ | 2,382,000,000$ | 2,610,000,000$ | 2,734,000,000$ | 2,559,000,000$ | 1,896,000,000$ | 1,862,000,000$ | 1,767,000,000$ | 1,756,000,000$ | 1,592,000,000$ | 1,781,000,000$ | 1,856,000,000$ | 1,760,000,000$ | 1,717,000,000$ | 1,708,000,000$ | 1,770,000,000$ | 1,341,000,000$ | 1,231,000,000$ | 1,107,000,000$ | 589,000,000$ | 516,000,000$ | 477,000,000$ | 463,000,000$ | 424,000,000$ | 407,000,000$ | 370,000,000$ | 329,000,000$ | 116,000,000$ | 18,000,000$ | 16,000,000$ | 16,000,000$ | 131,900,000$ | 130,700,000$ | 126,800,000$ | 130,700,000$ | 118,900,000$ |
| Cost Of Revenue | | | 1,125,000,000$ | 1,174,000,000$ | 324,000,000$ | 322,000,000$ | 1,080,000,000$ | 1,057,000,000$ | 306,000,000$ | 301,000,000$ | 310,000,000$ | 296,000,000$ | 305,000,000$ | 302,000,000$ | 310,000,000$ | 313,000,000$ | 316,000,000$ | 324,000,000$ | 318,000,000$ | 329,000,000$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ | 0$ |
| Gross Profit | | | 1,231,000,000$ | 1,286,000,000$ | 2,093,000,000$ | 2,023,000,000$ | 1,175,000,000$ | 1,115,000,000$ | 1,941,000,000$ | 1,982,000,000$ | 1,766,000,000$ | 1,831,000,000$ | 1,782,000,000$ | 2,019,000,000$ | 2,072,000,000$ | 2,297,000,000$ | 2,418,000,000$ | 2,235,000,000$ | 1,578,000,000$ | 1,533,000,000$ | 1,767,000,000$ | 1,756,000,000$ | 1,592,000,000$ | 1,781,000,000$ | 1,856,000,000$ | 1,760,000,000$ | 1,717,000,000$ | 1,708,000,000$ | 1,770,000,000$ | 1,341,000,000$ | 1,231,000,000$ | 1,107,000,000$ | 589,000,000$ | 516,000,000$ | 477,000,000$ | 463,000,000$ | 424,000,000$ | 407,000,000$ | 370,000,000$ | 329,000,000$ | 116,000,000$ | 18,000,000$ | 16,000,000$ | 16,000,000$ | 131,900,000$ | 130,700,000$ | 126,800,000$ | 130,700,000$ | 118,900,000$ |
| Gross Margin | | | 52.25% | 52.28% | 86.60% | 86.27% | 52.11% | 51.34% | 86.38% | 86.82% | 85.07% | 86.08% | 85.39% | 86.99% | 86.99% | 88.01% | 88.44% | 87.34% | 83.23% | 82.33% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
| Operating Expenses | | | 107,000,000$ | 112,000,000$ | 104,000,000$ | 107,000,000$ | 107,000,000$ | 109,000,000$ | 99,000,000$ | 102,000,000$ | 89,000,000$ | 89,000,000$ | 87,000,000$ | 88,000,000$ | 82,000,000$ | 78,000,000$ | 86,000,000$ | 94,000,000$ | 87,000,000$ | 86,000,000$ | 89,000,000$ | 96,000,000$ | 96,000,000$ | 97,000,000$ | 95,000,000$ | 102,000,000$ | 90,000,000$ | 101,000,000$ | 99,000,000$ | 76,000,000$ | 72,000,000$ | 69,000,000$ | 67,000,000$ | 59,000,000$ | 57,000,000$ | 58,000,000$ | 55,000,000$ | 56,000,000$ | 63,000,000$ | 53,000,000$ | 57,000,000$ | 25,000,000$ | 21,000,000$ | 22,000,000$ | 33,900,000$ | 15,300,000$ | 15,900,000$ | 15,900,000$ | 12,600,000$ |
| Operating Income | | | 1,124,000,000$ | 1,174,000,000$ | 1,989,000,000$ | 1,916,000,000$ | 1,068,000,000$ | 1,006,000,000$ | 1,842,000,000$ | 1,880,000,000$ | 1,677,000,000$ | 1,742,000,000$ | 1,695,000,000$ | 1,931,000,000$ | 1,990,000,000$ | 2,219,000,000$ | 2,332,000,000$ | 2,141,000,000$ | 1,491,000,000$ | 1,447,000,000$ | 1,678,000,000$ | 1,660,000,000$ | 1,496,000,000$ | 1,684,000,000$ | 1,761,000,000$ | 1,658,000,000$ | 1,627,000,000$ | 1,607,000,000$ | 1,671,000,000$ | 1,265,000,000$ | 1,159,000,000$ | 1,038,000,000$ | 522,000,000$ | 457,000,000$ | 420,000,000$ | 405,000,000$ | 369,000,000$ | 351,000,000$ | 307,000,000$ | 276,000,000$ | 59,000,000$ | (7,000,000$) | (5,000,000$) | (6,000,000$) | 98,000,000$ | 115,400,000$ | 110,900,000$ | 114,800,000$ | 106,300,000$ |
| Other Income | | | (81,000,000$) | (55,000,000$) | (902,000,000$) | (902,000,000$) | 102,000,000$ | (5,000,000$) | (705,000,000$) | (961,000,000$) | (742,000,000$) | (797,000,000$) | (851,000,000$) | (474,000,000$) | (1,106,000,000$) | (1,381,000,000$) | (1,494,000,000$) | (1,330,000,000$) | (776,000,000$) | (698,000,000$) | (977,000,000$) | (985,000,000$) | (841,000,000$) | (4,400,000,000$) | (2,336,000,000$) | (965,000,000$) | (971,000,000$) | (919,000,000$) | (1,060,000,000$) | (746,000,000$) | (702,000,000$) | (611,000,000$) | (283,000,000$) | (239,000,000$) | (227,000,000$) | (218,000,000$) | (187,000,000$) | (157,000,000$) | (243,000,000$) | (294,000,000$) | 68,000,000$ | 70,000,000$ | 81,000,000$ | 74,000,000$ | 200,000$ | (72,300,000$) | (67,900,000$) | (59,100,000$) | (70,100,000$) |
| Interest Income | | | 16,000,000$ | 18,000,000$ | 27,000,000$ | 35,000,000$ | 18,000,000$ | 15,000,000$ | 16,000,000$ | 12,000,000$ | 7,000,000$ | 8,000,000$ | 0$ | 0$ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Interest Expenses | | | | | | | | | 0$ | 2,000,000$ | | | 18,000,000$ | 19,000,000$ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Income Before Tax | | | 1,059,000,000$ | 1,137,000,000$ | 1,114,000,000$ | 1,049,000,000$ | 1,188,000,000$ | 1,016,000,000$ | 1,153,000,000$ | 929,000,000$ | 942,000,000$ | 953,000,000$ | 826,000,000$ | 1,438,000,000$ | 884,000,000$ | 838,000,000$ | 838,000,000$ | 811,000,000$ | 715,000,000$ | 749,000,000$ | 701,000,000$ | 675,000,000$ | 655,000,000$ | (2,716,000,000$) | (575,000,000$) | 693,000,000$ | 656,000,000$ | 688,000,000$ | 611,000,000$ | 519,000,000$ | 457,000,000$ | 427,000,000$ | 239,000,000$ | 218,000,000$ | 193,000,000$ | 187,000,000$ | 182,000,000$ | 194,000,000$ | 64,000,000$ | (18,000,000$) | 127,000,000$ | 63,000,000$ | 76,000,000$ | 68,000,000$ | 98,200,000$ | 43,100,000$ | 43,000,000$ | 55,700,000$ | 36,200,000$ |
| Tax Expenses | | | 1,000,000$ | 1,000,000$ | 5,000,000$ | 2,000,000$ | 2,000,000$ | 1,000,000$ | 9,000,000$ | 1,000,000$ | 0$ | 1,000,000$ | 2,000,000$ | 1,000,000$ | 0$ | 5,000,000$ | 0$ | 0$ | 0$ | 1,000,000$ | 1,000,000$ | 1,000,000$ | | | | 4,000,000$ | (1,000,000$) | (1,000,000$) | 0$ | 3,000,000$ | 1,000,000$ | 4,000,000$ | (2,000,000$) | 1,000,000$ | 2,000,000$ | 0$ | 0$ | 0$ | (8,000,000$) | (4,000,000$) | 1,000,000$ | 0$ | 0$ | 0$ | 900,000$ | 0$ | 100,000$ | 0$ | (500,000$) |
| Income from Continuing Operations | | | 1,058,000,000$ | 1,136,000,000$ | 1,109,000,000$ | 1,047,000,000$ | 1,186,000,000$ | 1,015,000,000$ | 1,144,000,000$ | 928,000,000$ | 942,000,000$ | 952,000,000$ | 824,000,000$ | 1,437,000,000$ | 884,000,000$ | 833,000,000$ | 838,000,000$ | 811,000,000$ | 715,000,000$ | 748,000,000$ | 700,000,000$ | 674,000,000$ | 655,000,000$ | (2,716,000,000$) | (575,000,000$) | 689,000,000$ | 657,000,000$ | 689,000,000$ | 611,000,000$ | 516,000,000$ | 456,000,000$ | 423,000,000$ | 241,000,000$ | 217,000,000$ | 191,000,000$ | 187,000,000$ | 182,000,000$ | 194,000,000$ | 72,000,000$ | (14,000,000$) | 126,000,000$ | 63,000,000$ | 76,000,000$ | 68,000,000$ | 97,300,000$ | 43,100,000$ | 42,900,000$ | 55,700,000$ | 36,700,000$ |
| Income from Discontinued Operations | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Consolidated Income | | | 1,058,000,000$ | 1,136,000,000$ | 1,109,000,000$ | 1,047,000,000$ | 1,186,000,000$ | 1,015,000,000$ | 1,144,000,000$ | 928,000,000$ | 942,000,000$ | 952,000,000$ | 824,000,000$ | 1,437,000,000$ | 884,000,000$ | 833,000,000$ | 838,000,000$ | 811,000,000$ | 715,000,000$ | 748,000,000$ | 700,000,000$ | 674,000,000$ | 655,000,000$ | (2,716,000,000$) | (573,000,000$) | 637,000,000$ | 488,000,000$ | 509,000,000$ | 439,000,000$ | 516,000,000$ | 456,000,000$ | 423,000,000$ | 241,000,000$ | 217,000,000$ | 191,000,000$ | 151,000,000$ | 132,000,000$ | 143,000,000$ | 20,000,000$ | (60,000,000$) | 18,000,000$ | 41,000,000$ | 52,000,000$ | 46,300,000$ | 36,400,000$ | 44,000,000$ | 42,100,000$ | 55,500,000$ | 36,600,000$ |
| Net Income | | | 1,048,000,000$ | 1,126,000,000$ | 1,099,000,000$ | 1,037,000,000$ | 1,176,000,000$ | 1,005,000,000$ | 1,134,000,000$ | 918,000,000$ | 933,000,000$ | 943,000,000$ | 816,000,000$ | 1,428,000,000$ | 875,000,000$ | 825,000,000$ | 830,000,000$ | 802,000,000$ | 706,000,000$ | 739,000,000$ | 691,000,000$ | 665,000,000$ | 648,000,000$ | (2,724,000,000$) | (581,000,000$) | 629,000,000$ | 482,000,000$ | 503,000,000$ | 434,000,000$ | 510,000,000$ | 453,000,000$ | 421,000,000$ | 238,000,000$ | 216,000,000$ | 190,000,000$ | 150,000,000$ | 133,000,000$ | 141,000,000$ | 19,000,000$ | (60,000,000$) | 18,000,000$ | 41,000,000$ | 51,000,000$ | 46,000,000$ | 29,000,000$ | 30,000,000$ | 28,000,000$ | 34,000,000$ | 20,200,000$ |
| Profit Margin | | | 44.48% | 45.77% | 45.47% | 44.22% | 52.15% | 46.27% | 50.47% | 40.21% | 44.94% | 44.34% | 39.10% | 61.53% | 36.73% | 31.61% | 30.36% | 31.34% | 37.24% | 39.69% | 39.11% | 37.87% | 40.70% | (152.95%) | (31.30%) | 35.74% | 28.07% | 29.45% | 24.52% | 38.03% | 36.80% | 38.03% | 40.41% | 41.86% | 39.83% | 32.40% | 31.37% | 34.64% | 5.14% | (18.24%) | 15.52% | 227.78% | 318.75% | 287.50% | 21.99% | 22.95% | 22.08% | 26.01% | 16.99% |
| Earnings to Minority | | | 10,000,000$ | 10,000,000$ | 10,000,000$ | 10,000,000$ | 10,000,000$ | 10,000,000$ | 10,000,000$ | 10,000,000$ | 9,000,000$ | 9,000,000$ | 8,000,000$ | 9,000,000$ | 9,000,000$ | 8,000,000$ | 8,000,000$ | 9,000,000$ | 9,000,000$ | 9,000,000$ | 9,000,000$ | 9,000,000$ | 7,000,000$ | 8,000,000$ | 8,000,000$ | 8,000,000$ | 6,000,000$ | 6,000,000$ | 5,000,000$ | 6,000,000$ | 3,000,000$ | 2,000,000$ | 3,000,000$ | 1,000,000$ | 1,000,000$ | 1,000,000$ | (1,000,000$) | 2,000,000$ | 1,000,000$ | 0$ | 0$ | 0$ | 1,000,000$ | 300,000$ | 7,400,000$ | 14,000,000$ | 14,100,000$ | 21,500,000$ | 16,400,000$ |
| Earnings to Common Shareholders | | | 1,048,000,000$ | 1,126,000,000$ | 1,091,000,000$ | 1,031,000,000$ | 1,167,000,000$ | 992,000,000$ | 1,104,000,000$ | 892,000,000$ | 906,000,000$ | 938,000,000$ | 816,000,000$ | 1,428,000,000$ | 875,000,000$ | 825,000,000$ | 830,000,000$ | 802,000,000$ | 706,000,000$ | 739,000,000$ | 691,000,000$ | 665,000,000$ | 648,000,000$ | (2,724,000,000$) | (581,000,000$) | 629,000,000$ | 482,000,000$ | 503,000,000$ | 434,000,000$ | 510,000,000$ | 453,000,000$ | 421,000,000$ | 238,000,000$ | 216,000,000$ | 190,000,000$ | 150,000,000$ | 133,000,000$ | 141,000,000$ | 19,000,000$ | (60,000,000$) | 18,000,000$ | 41,000,000$ | 51,000,000$ | 46,000,000$ | 29,000,000$ | 30,000,000$ | 28,000,000$ | 34,000,000$ | 20,200,000$ |
| Earnings Per Share, Basic | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Earnings Per Share, Diluted | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Average Shares, Basic | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Average Shares, Diluted | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| EBIT | | | 1,059,000,000$ | 1,137,000,000$ | 1,114,000,000$ | 1,049,000,000$ | 1,188,000,000$ | 1,016,000,000$ | 1,153,000,000$ | 931,000,000$ | 942,000,000$ | 953,000,000$ | 844,000,000$ | 1,457,000,000$ | 884,000,000$ | 838,000,000$ | 838,000,000$ | 811,000,000$ | 715,000,000$ | 749,000,000$ | 701,000,000$ | 675,000,000$ | 655,000,000$ | (2,716,000,000$) | (575,000,000$) | 693,000,000$ | 656,000,000$ | 688,000,000$ | 611,000,000$ | 519,000,000$ | 457,000,000$ | 427,000,000$ | 239,000,000$ | 218,000,000$ | 193,000,000$ | 187,000,000$ | 182,000,000$ | 194,000,000$ | 64,000,000$ | (18,000,000$) | 127,000,000$ | 63,000,000$ | 76,000,000$ | 68,000,000$ | 98,200,000$ | 43,100,000$ | 43,000,000$ | 55,700,000$ | 36,200,000$ |
| EBITDA | | | 1,059,000,000$ | 1,137,000,000$ | 1,114,000,000$ | 1,049,000,000$ | 1,188,000,000$ | 1,016,000,000$ | 1,153,000,000$ | 931,000,000$ | 942,000,000$ | 953,000,000$ | 844,000,000$ | 1,457,000,000$ | 884,000,000$ | 838,000,000$ | 838,000,000$ | 811,000,000$ | 715,000,000$ | 749,000,000$ | 701,000,000$ | 675,000,000$ | 655,000,000$ | (2,716,000,000$) | (575,000,000$) | 693,000,000$ | 656,000,000$ | 688,000,000$ | 611,000,000$ | 519,000,000$ | 457,000,000$ | 427,000,000$ | 239,000,000$ | 218,000,000$ | 193,000,000$ | 187,000,000$ | 182,000,000$ | 194,000,000$ | 64,000,000$ | (18,000,000$) | 127,000,000$ | 63,000,000$ | 76,000,000$ | 68,000,000$ | 98,200,000$ | 43,100,000$ | 43,000,000$ | 55,700,000$ | 36,200,000$ |