v3.26.1
Disclosures About Segments And Related Information (Schedule Of Segments And Related Information) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segment reporting information [Line Items]          
Revenues $ 116,017 $ 81,506 $ 201,155 $ 164,636  
Crude oil and product purchases 67,801 45,327 119,603 92,115  
Depreciation and depletion (includes impairments) 8,689 6,101 15,460 11,803  
Interest expense 227 145 522 350  
Other taxes and duties 4,956 6,257 10,692 12,292  
Total costs and other deductions 96,593 70,801 174,764 142,331  
Segment income (loss) before income taxes 19,424 10,705 26,391 22,305  
Income tax expense (benefit) 4,543 3,351 7,038 6,918  
Net income (loss) including noncontrolling interests 14,881 7,354 19,353 15,387  
Net income (loss) attributable to noncontrolling interests 356 272 645 592  
Net income (loss) attributable to ExxonMobil 14,525 7,082 18,708 14,795  
Additions to property, plant and equipment 6,707 6,355 13,461 12,384  
Investments in equity companies 33,324   33,324   $ 32,653
Total Assets 464,482   464,482   448,980
Operating Segments          
Segment reporting information [Line Items]          
Revenues 161,143 110,407 280,558 224,000  
Crude oil and product purchases 112,346 74,043 198,025 151,130  
Operating expenses, excl. depreciation and depletion 14,959 12,764 28,149 25,238  
Depreciation and depletion (includes impairments) 8,062 5,813 14,560 11,240  
Interest expense 33 40 40 84  
Other taxes and duties 4,956 6,256 10,692 12,292  
Total costs and other deductions 140,356 98,916 251,466 199,984  
Segment income (loss) before income taxes 20,787 11,491 29,092 24,016  
Income tax expense (benefit) 4,794 3,357 7,556 7,033  
Net income (loss) including noncontrolling interests 15,993 8,134 21,536 16,983  
Net income (loss) attributable to noncontrolling interests 514 293 821 631  
Net income (loss) attributable to ExxonMobil 15,479 7,841 20,715 16,352  
Additions to property, plant and equipment 6,315 5,823 12,722 11,333  
Investments in equity companies 33,447   33,447   32,765
Total Assets 430,010   430,010   413,825
Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (45,150) (29,190) (79,597) (59,969)  
Segment Reporting, Reconciling Item, Corporate Nonsegment          
Segment reporting information [Line Items]          
Revenues 24 289 194 605  
Net income (loss) attributable to ExxonMobil (954) (759) (2,007) (1,557)  
Additions to property, plant and equipment 392 532 739 1,051  
Investments in equity companies (123)   (123)   (112)
Total Assets 34,472   34,472   35,155
Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 114,529 79,477 197,690 160,535  
Sales and other operating revenue | Operating Segments          
Segment reporting information [Line Items]          
Revenues 114,503 79,456 197,639 160,495  
Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues 893 1,462 2,262 2,831  
Income from equity affiliates | Operating Segments          
Segment reporting information [Line Items]          
Revenues 954 1,529 2,388 2,958  
Other income          
Segment reporting information [Line Items]          
Revenues 595 567 1,203 1,270  
Other income | Operating Segments          
Segment reporting information [Line Items]          
Revenues 536 232 934 578  
Other Revenue, Interest | Segment Reporting, Reconciling Item, Corporate Nonsegment          
Segment reporting information [Line Items]          
Revenues 145 312 351 675  
U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 50,892 34,436 87,519 69,043  
Non-U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 63,637 45,041 110,171 91,492  
Upstream | U.S.          
Segment reporting information [Line Items]          
Revenues 18,308 12,267 33,351 26,010  
Crude oil and product purchases 7,013 4,533 13,096 9,962  
Operating expenses, excl. depreciation and depletion 4,603 2,716 7,638 5,479  
Depreciation and depletion (includes impairments) 4,066 3,356 7,904 6,394  
Interest expense 13 22 8 59  
Other taxes and duties 139 49 207 113  
Total costs and other deductions 15,834 10,676 28,853 22,007  
Segment income (loss) before income taxes 2,474 1,591 4,498 4,003  
Income tax expense (benefit) 554 379 1,004 921  
Net income (loss) including noncontrolling interests 1,920 1,212 3,494 3,082  
Net income (loss) attributable to noncontrolling interests 0 0 0 0  
Net income (loss) attributable to ExxonMobil 1,920 1,212 3,494 3,082  
Additions to property, plant and equipment 3,103 3,047 6,378 5,827  
Investments in equity companies 5,794   5,794   5,491
Total Assets 152,299   152,299   153,042
Upstream | U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (9,916) (6,230) (17,509) (12,786)  
Upstream | U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 8,201 5,939 15,466 13,257  
Upstream | U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues (95) 5 (156) 9  
Upstream | U.S. | Other income          
Segment reporting information [Line Items]          
Revenues 286 93 532 (42)  
Upstream | Non-U.S.          
Segment reporting information [Line Items]          
Revenues 17,149 13,433 30,930 28,864  
Crude oil and product purchases 3,444 2,006 6,287 5,267  
Operating expenses, excl. depreciation and depletion 2,734 2,480 5,247 4,761  
Depreciation and depletion (includes impairments) 1,918 1,733 3,788 3,422  
Interest expense 15 16 21 22  
Other taxes and duties 222 531 551 1,070  
Total costs and other deductions 8,333 6,766 15,894 14,542  
Segment income (loss) before income taxes 8,816 6,667 15,036 14,322  
Income tax expense (benefit) 2,527 2,332 4,483 4,930  
Net income (loss) including noncontrolling interests 6,289 4,335 10,553 9,392  
Net income (loss) attributable to noncontrolling interests 282 145 383 316  
Net income (loss) attributable to ExxonMobil 6,007 4,190 10,170 9,076  
Additions to property, plant and equipment 2,356 2,022 4,241 4,044  
Investments in equity companies 19,236   19,236   19,429
Total Assets 135,092   135,092   134,529
Upstream | Non-U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (11,931) (8,824) (21,954) (18,674)  
Upstream | Non-U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 4,479 3,286 7,292 7,246  
Upstream | Non-U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues 682 1,300 1,588 2,547  
Upstream | Non-U.S. | Other income          
Segment reporting information [Line Items]          
Revenues 57 23 96 397  
Energy Products | U.S.          
Segment reporting information [Line Items]          
Revenues 48,891 29,636 81,365 58,237  
Crude oil and product purchases 41,997 25,515 70,191 50,621  
Operating expenses, excl. depreciation and depletion 2,049 1,940 4,362 4,022  
Depreciation and depletion (includes impairments) 272 198 479 393  
Interest expense 1 (1) 3 (1)  
Other taxes and duties 764 830 1,495 1,617  
Total costs and other deductions 45,083 28,482 76,530 56,652  
Segment income (loss) before income taxes 3,808 1,154 4,835 1,585  
Income tax expense (benefit) 764 264 1,065 358  
Net income (loss) including noncontrolling interests 3,044 890 3,770 1,227  
Net income (loss) attributable to noncontrolling interests 57 65 122 105  
Net income (loss) attributable to ExxonMobil 2,987 825 3,648 1,122  
Additions to property, plant and equipment 333 145 1,184 261  
Investments in equity companies 476   476   460
Total Assets 41,206   41,206   32,652
Energy Products | U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (10,258) (4,502) (16,679) (9,126)  
Energy Products | U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 38,517 25,072 64,507 48,957  
Energy Products | U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues 40 36 74 72  
Energy Products | U.S. | Other income          
Segment reporting information [Line Items]          
Revenues 76 26 105 82  
Energy Products | Non-U.S.          
Segment reporting information [Line Items]          
Revenues 60,652 41,511 105,450 84,285  
Crude oil and product purchases 50,164 33,551 90,131 68,597  
Operating expenses, excl. depreciation and depletion 2,394 2,272 4,511 4,431  
Depreciation and depletion (includes impairments) 1,343 170 1,559 343  
Interest expense 1 1 4 2  
Other taxes and duties 3,718 4,744 8,210 9,306  
Total costs and other deductions 57,620 40,738 104,415 82,679  
Segment income (loss) before income taxes 3,032 773 1,035 1,606  
Income tax expense (benefit) 401 159 200 346  
Net income (loss) including noncontrolling interests 2,631 614 835 1,260  
Net income (loss) attributable to noncontrolling interests 153 73 280 189  
Net income (loss) attributable to ExxonMobil 2,478 541 555 1,071  
Additions to property, plant and equipment 190 258 356 486  
Investments in equity companies 1,621   1,621   1,048
Total Assets 53,366   53,366   47,265
Energy Products | Non-U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (9,309) (6,512) (16,414) (13,184)  
Energy Products | Non-U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 51,091 34,917 88,295 70,994  
Energy Products | Non-U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues 171 28 609 29  
Energy Products | Non-U.S. | Other income          
Segment reporting information [Line Items]          
Revenues 81 54 132 78  
Chemical Products | U.S.          
Segment reporting information [Line Items]          
Revenues 4,560 3,676 8,254 7,397  
Crude oil and product purchases 2,469 2,136 4,419 4,290  
Operating expenses, excl. depreciation and depletion 1,095 1,096 2,270 2,159  
Depreciation and depletion (includes impairments) 198 148 347 293  
Interest expense 0 0 0 0  
Other taxes and duties 29 18 44 34  
Total costs and other deductions 3,791 3,398 7,080 6,776  
Segment income (loss) before income taxes 769 278 1,174 621  
Income tax expense (benefit) 170 23 256 111  
Net income (loss) including noncontrolling interests 599 255 918 510  
Net income (loss) attributable to noncontrolling interests 0 0 0 0  
Net income (loss) attributable to ExxonMobil 599 255 918 510  
Additions to property, plant and equipment 255 161 407 306  
Investments in equity companies 2,837   2,837   2,946
Total Assets 18,012   18,012   17,365
Chemical Products | U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (2,023) (1,668) (3,715) (3,343)  
Chemical Products | U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 2,552 1,970 4,522 3,992  
Chemical Products | U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues (15) 38 17 61  
Chemical Products | U.S. | Other income          
Segment reporting information [Line Items]          
Revenues 0 0 0 1  
Chemical Products | Non-U.S.          
Segment reporting information [Line Items]          
Revenues 5,515 4,622 10,099 8,885  
Crude oil and product purchases 3,520 3,204 7,081 6,219  
Operating expenses, excl. depreciation and depletion 1,038 1,194 2,076 2,278  
Depreciation and depletion (includes impairments) 187 138 344 260  
Interest expense 1 0 1 0  
Other taxes and duties 31 39 78 61  
Total costs and other deductions 4,777 4,575 9,580 8,818  
Segment income (loss) before income taxes 738 47 519 67  
Income tax expense (benefit) 189 3 172 (3)  
Net income (loss) including noncontrolling interests 549 44 347 70  
Net income (loss) attributable to noncontrolling interests 17 6 24 14  
Net income (loss) attributable to ExxonMobil 532 38 323 56  
Additions to property, plant and equipment 43 101 68 218  
Investments in equity companies 2,724   2,724   2,616
Total Assets 18,827   18,827   17,991
Chemical Products | Non-U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (998) (790) (1,975) (1,529)  
Chemical Products | Non-U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 4,335 3,700 7,839 7,085  
Chemical Products | Non-U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues 180 129 282 269  
Chemical Products | Non-U.S. | Other income          
Segment reporting information [Line Items]          
Revenues 2 3 3 2  
Specialty Products | U.S.          
Segment reporting information [Line Items]          
Revenues 2,189 1,994 4,061 3,910  
Crude oil and product purchases 1,260 1,073 2,232 2,070  
Operating expenses, excl. depreciation and depletion 515 510 1,017 982  
Depreciation and depletion (includes impairments) 26 27 49 54  
Interest expense 1 0 2 0  
Other taxes and duties 6 1 10 3  
Total costs and other deductions 1,808 1,611 3,310 3,109  
Segment income (loss) before income taxes 381 383 751 801  
Income tax expense (benefit) 96 91 193 187  
Net income (loss) including noncontrolling interests 285 292 558 614  
Net income (loss) attributable to noncontrolling interests (2) 1 (3) 1  
Net income (loss) attributable to ExxonMobil 287 291 561 613  
Additions to property, plant and equipment 15 39 49 88  
Investments in equity companies 0   0   0
Total Assets 2,866   2,866   2,961
Specialty Products | U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (590) (551) (1,086) (1,100)  
Specialty Products | U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 1,596 1,438 2,968 2,805  
Specialty Products | U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues 2 3 3 3  
Specialty Products | U.S. | Other income          
Segment reporting information [Line Items]          
Revenues 1 2 4 2  
Specialty Products | Non-U.S.          
Segment reporting information [Line Items]          
Revenues 3,879 3,268 7,048 6,412  
Crude oil and product purchases 2,479 2,025 4,588 4,104  
Operating expenses, excl. depreciation and depletion 531 556 1,028 1,126  
Depreciation and depletion (includes impairments) 52 43 90 81  
Interest expense 1 2 1 2  
Other taxes and duties 47 44 97 88  
Total costs and other deductions 3,110 2,670 5,804 5,401  
Segment income (loss) before income taxes 769 598 1,244 1,011  
Income tax expense (benefit) 93 106 183 183  
Net income (loss) including noncontrolling interests 676 492 1,061 828  
Net income (loss) attributable to noncontrolling interests 7 3 15 6  
Net income (loss) attributable to ExxonMobil 669 489 1,046 822  
Additions to property, plant and equipment 20 50 39 103  
Investments in equity companies 759   759   775
Total Assets 8,342   8,342   $ 8,020
Specialty Products | Non-U.S. | Intersegment Eliminations          
Segment reporting information [Line Items]          
Revenues (125) (113) (265) (227)  
Specialty Products | Non-U.S. | Sales and other operating revenue          
Segment reporting information [Line Items]          
Revenues 3,732 3,134 6,750 6,159  
Specialty Products | Non-U.S. | Income from equity affiliates          
Segment reporting information [Line Items]          
Revenues (11) (10) (29) (32)  
Specialty Products | Non-U.S. | Other income          
Segment reporting information [Line Items]          
Revenues $ 33 $ 31 $ 62 $ 58