Marathon Petroleum Corp
For the period ended Sep 30, 2026. Filed Nov 3, 2026.
View on SEC.govAbout this filing
A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2026 · Filed Nov 3, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
See the whole filing, with its images and exhibitsContents
21. Accumulated Other Comprehensive Income (Loss)
- Accumulated Other Comprehensive Income (Loss)
The following tables show the changes in accumulated other comprehensive income (loss) by component. Amounts in parentheses indicate debits.
| (In millions) | Pension Benefits | Other Benefits | Other | Total |
|---|---|---|---|---|
| Balance as of December 31, 2025 | $(209) | $105 | $(1) | $(105) |
| Other comprehensive loss before reclassifications, net of tax of $0 | — | (1) | — | (1) |
| Amounts reclassified from accumulated other comprehensive income (loss): | ||||
| Amortization of prior service credit(a) | (2) | (5) | — | (7) |
| Amortization of actuarial loss(a) | 4 | — | — | 4 |
| Tax effect | — | 1 | — | 1 |
| Other comprehensive income (loss) | 2 | (5) | — | (3) |
| Balance as of March 31, 2026 | $(207) | $100 | $(1) | $(108) |
| Other comprehensive income before reclassifications, net of tax of $0 | 1 | — | — | 1 |
| Amounts reclassified from accumulated other comprehensive income (loss): | ||||
| Amortization of prior service credit(a) | (3) | (6) | — | (9) |
| Amortization of actuarial loss(a) | 5 | — | — | 5 |
| Tax effect | (1) | 2 | — | 1 |
| Other comprehensive income (loss) | 2 | (4) | — | (2) |
| Balance as of June 30, 2026 | $(205) | $96 | $(1) | $(110) |
| Other comprehensive loss before reclassifications, net of tax of $0 | (1) | — | — | (1) |
| Amounts reclassified from accumulated other comprehensive income (loss): | ||||
| Amortization of prior service credit(a) | (2) | (5) | — | (7) |
| Amortization of actuarial loss(a) | 3 | — | — | 3 |
| Settlement gain(a) | (1) | — | — | (1) |
| Tax effect | — | 1 | — | 1 |
| Other comprehensive loss | (1) | (4) | — | (5) |
| Balance as of September 30, 2026 | $(206) | $92 | $(1) | $(115) |
(a)These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost. See Note 22.
| (In millions) | Pension Benefits | Other Benefits | Other | Total |
|---|---|---|---|---|
| Balance as of December 31, 2024 | $(235) | $122 | $(1) | $(114) |
| Other comprehensive income before reclassifications, net of tax of $2 | 5 | 3 | — | 8 |
| Amounts reclassified from accumulated other comprehensive income (loss): | ||||
| Amortization of prior service credit(a) | (2) | (6) | — | (8) |
| Amortization of actuarial loss(a) | 4 | — | — | 4 |
| Tax effect | — | 1 | — | 1 |
| Other comprehensive income (loss) | 7 | (2) | — | 5 |
| Balance as of March 31, 2025 | $(228) | $120 | $(1) | $(109) |
| Other comprehensive income (loss) before reclassifications, net of tax of $1 | 3 | (1) | — | 2 |
| Amounts reclassified from accumulated other comprehensive income (loss): | ||||
| Amortization of prior service credit(a) | (2) | (5) | — | (7) |
| Amortization of actuarial loss(a) | 4 | — | — | 4 |
| Settlement loss(a) | 1 | — | — | 1 |
| Other | — | — | 1 | 1 |
| Tax effect | (2) | 2 | — | — |
| Other comprehensive income (loss) | 4 | (4) | 1 | 1 |
| Balance as of June 30, 2025 | $(224) | $116 | $— | $(108) |
| Other comprehensive income before reclassifications, net of tax of $1 | 1 | — | — | 1 |
| Amounts reclassified from accumulated other comprehensive income (loss): | ||||
| Amortization of prior service credit(a) | (2) | (5) | — | (7) |
| Amortization of actuarial loss(a) | 4 | — | — | 4 |
| Tax effect | — | 1 | — | 1 |
| Other comprehensive income (loss) | 3 | (4) | — | (1) |
| Balance as of September 30, 2025 | $(221) | $112 | $— | $(109) |
(a)These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost. See Note 22.
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.