| Income From Operations Attributable To Operating Segments |
Segment income represents income from operations attributable to the reportable segments. Corporate administrative expenses, except for those attributable to MPLX and ANDX, and costs related to certain non-operating assets are not allocated to the reportable segments. In addition, certain items that affect comparability (as determined by the chief operating decision maker) are not allocated to the reportable segments. In the third quarter of 2018, we began reporting segment capital expenditures and investments excluding acquisitions in the current and comparative periods. | | | | | | | | | | | | | | | | | (In millions) | Refining & Marketing | | Retail | | Midstream | | Total | Year Ended December 31, 2018 | | | | | | | | Revenues: | | | | | | | | Third party | $ | 68,939 |
| | $ | 23,538 |
| | $ | 3,273 |
| | $ | 95,750 |
| Intersegment | 12,914 |
| | 6 |
| | 3,387 |
| | 16,307 |
| Related party | 746 |
| | 8 |
| | — |
| | 754 |
| Segment revenues | $ | 82,599 |
| | $ | 23,552 |
| | $ | 6,660 |
| | $ | 112,811 |
| Segment income from operations | $ | 2,481 |
| | $ | 1,028 |
| | $ | 2,752 |
| | $ | 6,261 |
| Income from equity method investments(b) | 15 |
| | 74 |
| | 274 |
| | 363 |
| Depreciation and amortization(b) | 1,174 |
| | 353 |
| | 885 |
| | 2,412 |
| Capital expenditures and investments(c) | 1,057 |
| | 460 |
| | 2,630 |
| | 4,147 |
|
| | | | | | | | | | | | | | | | | (In millions) | Refining & Marketing | | Retail | | Midstream | | Total | Year Ended December 31, 2017 | | | | | | | | Revenues: | | | | | | | | Third party | $ | 52,761 |
| | $ | 19,021 |
| | $ | 2,322 |
| | $ | 74,104 |
| Intersegment(a) | 11,309 |
| | 4 |
| | 1,443 |
| | 12,756 |
| Related party | 621 |
| | 8 |
| | — |
| | 629 |
| Segment revenues | $ | 64,691 |
| | $ | 19,033 |
| | $ | 3,765 |
| | $ | 87,489 |
| Segment income from operations | $ | 2,321 |
| | $ | 729 |
| | $ | 1,339 |
| | $ | 4,389 |
| Income from equity method investments(b) | 17 |
| | 69 |
| | 197 |
| | 283 |
| Depreciation and amortization(b) | 1,082 |
| | 275 |
| | 699 |
| | 2,056 |
| Capital expenditures and investments(c) | 832 |
| | 381 |
| | 1,755 |
| | 2,968 |
|
| | | | | | | | | | | | | | | | | (In millions) | Refining & Marketing | | Retail | | Midstream | | Total | Year Ended December 31, 2016 | | | | | | | | Revenues: | | | | | | | | Third party | $ | 43,167 |
| | $ | 18,282 |
| | $ | 1,828 |
| | $ | 63,277 |
| Intersegment(a) | 10,589 |
| | 3 |
| | 1,262 |
| | 11,854 |
| Related party | 61 |
| | 1 |
| | — |
| | 62 |
| Segment revenues | $ | 53,817 |
| | $ | 18,286 |
| | $ | 3,090 |
| | $ | 75,193 |
| Segment income from operations(d) | $ | 1,357 |
| | $ | 733 |
| | $ | 1,048 |
| | $ | 3,138 |
| Income from equity method investments(b) | 24 |
| | 5 |
| | 142 |
| | 171 |
| Depreciation and amortization(b) | 1,063 |
| | 273 |
| | 605 |
| | 1,941 |
| Capital expenditures and investments(c) | 1,054 |
| | 303 |
| | 1,558 |
| | 2,915 |
|
| | (a) | Management believes intersegment transactions were conducted under terms comparable to those with unaffiliated parties. |
| | (b) | Differences between segment totals and MPC totals represent amounts related to unallocated items and are included in “Items not allocated to segments” in the reconciliation below. |
| | (c) | Capital expenditures include changes in capital accruals and investments in affiliates. |
| | (e) | In 2016, the Refining & Marketing and Retail segments include an inventory LCM benefit of $345 million and $25 million, respectively. |
|
| Reconciliation Of Segment Income From Operations To Income Before Income Taxes |
The following reconciles segment income from operations to income before income taxes as reported in the consolidated statements of income: | | | | | | | | | | | | | (In millions) | 2018 | | 2017 | | 2016 | Segment income from operations | $ | 6,261 |
| | $ | 4,389 |
| | $ | 3,138 |
| Items not allocated to segments: | | | | | | Corporate and other unallocated items(a) | (502 | ) | | (365 | ) | | (266 | ) | Transaction-related costs | (197 | ) | | — |
| | — |
| Litigation | — |
| | (29 | ) | | — |
| Impairments(b) | 9 |
| | 23 |
| | (486 | ) | Income from operations | 5,571 |
| | 4,018 |
| | 2,386 |
| Net interest and other financial costs | 1,003 |
| | 674 |
| | 564 |
| Income before income taxes | $ | 4,568 |
| | $ | 3,344 |
| | $ | 1,822 |
|
| | (a) | Corporate and other unallocated items consists primarily of MPC’s corporate administrative expenses and costs related to certain non-operating assets, except for corporate overhead expenses attributable to MPLX and ANDX, which are included in the Midstream segment. Corporate overhead expenses are not allocated to the Refining & Marketing and Retail segments. |
| | (b) | 2018 and 2017 includes MPC’s share of gains from the the sale of assets remaining from the canceled Sandpiper pipeline project. 2016 includes impairments of goodwill and equity method investments. See Note 17. |
|
| Schedule Of Revenues By Product Line |
Revenues by product line were: | | | | | | | | | | | | | (In millions) | 2018 | | 2017 | | 2016 | Refined products | $ | 83,888 |
| | $ | 63,846 |
| | $ | 54,450 |
| Merchandise | 5,332 |
| | 5,174 |
| | 5,297 |
| Crude oil and refinery feedstocks | 4,143 |
| | 3,403 |
| | 2,038 |
| Midstream services, transportation and other | 2,387 |
| | 1,681 |
| | 1,492 |
| Sales and other operating revenues(a) | $ | 95,750 |
| | $ | 74,104 |
| | $ | 63,277 |
|
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