v3.26.1
Disclosures About Segments And Related Information (Schedule Of Segments And Related Information) (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment reporting information [Line Items]      
Revenues $ 85,138 $ 83,130  
Crude oil and product purchases 51,802 46,788  
Depreciation and depletion (includes impairments) 6,771 5,702  
Interest expense 295 205  
Other taxes and duties 5,736 6,035  
Total costs and other deductions 78,171 71,530  
Segment income (loss) before income taxes 6,967 11,600  
Income tax expense (benefit) 2,495 3,567  
Net income (loss) including noncontrolling interests 4,472 8,033  
Net income (loss) attributable to noncontrolling interests 289 320  
Net income (loss) attributable to ExxonMobil 4,183 7,713  
Additions to property, plant and equipment 6,754 6,029  
Investments in equity companies 33,713   $ 32,653
Total Assets 464,410   448,980
Operating Segments      
Segment reporting information [Line Items]      
Revenues 119,415 113,593  
Crude oil and product purchases 85,679 77,087  
Operating expenses, excl. depreciation and depletion 13,190 12,474  
Depreciation and depletion (includes impairments) 6,498 5,427  
Interest expense 7 44  
Other taxes and duties 5,736 6,036  
Total costs and other deductions 111,110 101,068  
Segment income (loss) before income taxes 8,305 12,525  
Income tax expense (benefit) 2,762 3,676  
Net income (loss) including noncontrolling interests 5,543 8,849  
Net income (loss) attributable to noncontrolling interests 307 338  
Net income (loss) attributable to ExxonMobil 5,236 8,511  
Additions to property, plant and equipment 6,407 5,510  
Investments in equity companies 33,830   32,765
Total Assets 431,609   413,825
Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (34,447) (30,779)  
Segment Reporting, Reconciling Item, Corporate Nonsegment      
Segment reporting information [Line Items]      
Revenues 170 316  
Net income (loss) attributable to ExxonMobil (1,053) (798)  
Additions to property, plant and equipment 347 519  
Investments in equity companies (117)   (112)
Total Assets 32,801   35,155
Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 83,161 81,058  
Sales and other operating revenue | Operating Segments      
Segment reporting information [Line Items]      
Revenues 83,136 81,039  
Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues 1,369 1,369  
Income from equity affiliates | Operating Segments      
Segment reporting information [Line Items]      
Revenues 1,434 1,429  
Other income      
Segment reporting information [Line Items]      
Revenues 608 703  
Other income | Operating Segments      
Segment reporting information [Line Items]      
Revenues 398 346  
Other Revenue, Interest | Segment Reporting, Reconciling Item, Corporate Nonsegment      
Segment reporting information [Line Items]      
Revenues 206 363  
U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 36,627 34,607  
Non-U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 46,534 46,451  
Upstream | U.S.      
Segment reporting information [Line Items]      
Revenues 15,043 13,743  
Crude oil and product purchases 6,083 5,429  
Operating expenses, excl. depreciation and depletion 3,035 2,763  
Depreciation and depletion (includes impairments) 3,838 3,038  
Interest expense (5) 37  
Other taxes and duties 68 64  
Total costs and other deductions 13,019 11,331  
Segment income (loss) before income taxes 2,024 2,412  
Income tax expense (benefit) 450 542  
Net income (loss) including noncontrolling interests 1,574 1,870  
Net income (loss) attributable to noncontrolling interests 0 0  
Net income (loss) attributable to ExxonMobil 1,574 1,870  
Additions to property, plant and equipment 3,275 2,780  
Investments in equity companies 5,669   5,491
Total Assets 153,871   153,042
Upstream | U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (7,593) (6,556)  
Upstream | U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 7,265 7,318  
Upstream | U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues (61) 4  
Upstream | U.S. | Other income      
Segment reporting information [Line Items]      
Revenues 246 (135)  
Upstream | Non-U.S.      
Segment reporting information [Line Items]      
Revenues 13,781 15,431  
Crude oil and product purchases 2,843 3,261  
Operating expenses, excl. depreciation and depletion 2,513 2,281  
Depreciation and depletion (includes impairments) 1,870 1,689  
Interest expense 6 6  
Other taxes and duties 329 539  
Total costs and other deductions 7,561 7,776  
Segment income (loss) before income taxes 6,220 7,655  
Income tax expense (benefit) 1,956 2,598  
Net income (loss) including noncontrolling interests 4,264 5,057  
Net income (loss) attributable to noncontrolling interests 101 171  
Net income (loss) attributable to ExxonMobil 4,163 4,886  
Additions to property, plant and equipment 1,885 2,022  
Investments in equity companies 19,909   19,429
Total Assets 137,240   134,529
Upstream | Non-U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (10,023) (9,850)  
Upstream | Non-U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 2,813 3,960  
Upstream | Non-U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues 906 1,247  
Upstream | Non-U.S. | Other income      
Segment reporting information [Line Items]      
Revenues 39 374  
Energy Products | U.S.      
Segment reporting information [Line Items]      
Revenues 32,474 28,601  
Crude oil and product purchases 28,194 25,106  
Operating expenses, excl. depreciation and depletion 2,313 2,082  
Depreciation and depletion (includes impairments) 207 195  
Interest expense 2 0  
Other taxes and duties 731 787  
Total costs and other deductions 31,447 28,170  
Segment income (loss) before income taxes 1,027 431  
Income tax expense (benefit) 301 94  
Net income (loss) including noncontrolling interests 726 337  
Net income (loss) attributable to noncontrolling interests 65 40  
Net income (loss) attributable to ExxonMobil 661 297  
Additions to property, plant and equipment 851 116  
Investments in equity companies 463   460
Total Assets 39,224   32,652
Energy Products | U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (6,421) (4,624)  
Energy Products | U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 25,990 23,885  
Energy Products | U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues 34 36  
Energy Products | U.S. | Other income      
Segment reporting information [Line Items]      
Revenues 29 56  
Energy Products | Non-U.S.      
Segment reporting information [Line Items]      
Revenues 44,798 42,774  
Crude oil and product purchases 39,967 35,046  
Operating expenses, excl. depreciation and depletion 2,117 2,159  
Depreciation and depletion (includes impairments) 216 173  
Interest expense 3 1  
Other taxes and duties 4,492 4,562  
Total costs and other deductions 46,795 41,941  
Segment income (loss) before income taxes (1,997) 833  
Income tax expense (benefit) (201) 187  
Net income (loss) including noncontrolling interests (1,796) 646  
Net income (loss) attributable to noncontrolling interests 127 116  
Net income (loss) attributable to ExxonMobil (1,923) 530  
Additions to property, plant and equipment 166 228  
Investments in equity companies 1,479   1,048
Total Assets 54,765   47,265
Energy Products | Non-U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (7,105) (6,672)  
Energy Products | Non-U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 37,204 36,077  
Energy Products | Non-U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues 438 1  
Energy Products | Non-U.S. | Other income      
Segment reporting information [Line Items]      
Revenues 51 24  
Chemical Products | U.S.      
Segment reporting information [Line Items]      
Revenues 3,694 3,721  
Crude oil and product purchases 1,950 2,154  
Operating expenses, excl. depreciation and depletion 1,175 1,063  
Depreciation and depletion (includes impairments) 149 145  
Interest expense 0 0  
Other taxes and duties 15 16  
Total costs and other deductions 3,289 3,378  
Segment income (loss) before income taxes 405 343  
Income tax expense (benefit) 86 88  
Net income (loss) including noncontrolling interests 319 255  
Net income (loss) attributable to noncontrolling interests 0 0  
Net income (loss) attributable to ExxonMobil 319 255  
Additions to property, plant and equipment 152 145  
Investments in equity companies 2,931   2,946
Total Assets 17,682   17,365
Chemical Products | U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (1,692) (1,675)  
Chemical Products | U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 1,970 2,022  
Chemical Products | U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues 32 23  
Chemical Products | U.S. | Other income      
Segment reporting information [Line Items]      
Revenues 0 1  
Chemical Products | Non-U.S.      
Segment reporting information [Line Items]      
Revenues 4,584 4,263  
Crude oil and product purchases 3,561 3,015  
Operating expenses, excl. depreciation and depletion 1,038 1,084  
Depreciation and depletion (includes impairments) 157 122  
Interest expense 0 0  
Other taxes and duties 47 22  
Total costs and other deductions 4,803 4,243  
Segment income (loss) before income taxes (219) 20  
Income tax expense (benefit) (17) (6)  
Net income (loss) including noncontrolling interests (202) 26  
Net income (loss) attributable to noncontrolling interests 7 8  
Net income (loss) attributable to ExxonMobil (209) 18  
Additions to property, plant and equipment 25 117  
Investments in equity companies 2,627   2,616
Total Assets 18,097   17,991
Chemical Products | Non-U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (977) (739)  
Chemical Products | Non-U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 3,504 3,385  
Chemical Products | Non-U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues 102 140  
Chemical Products | Non-U.S. | Other income      
Segment reporting information [Line Items]      
Revenues 1 (1)  
Specialty Products | U.S.      
Segment reporting information [Line Items]      
Revenues 1,872 1,916  
Crude oil and product purchases 972 997  
Operating expenses, excl. depreciation and depletion 502 472  
Depreciation and depletion (includes impairments) 23 27  
Interest expense 1 0  
Other taxes and duties 4 2  
Total costs and other deductions 1,502 1,498  
Segment income (loss) before income taxes 370 418  
Income tax expense (benefit) 97 96  
Net income (loss) including noncontrolling interests 273 322  
Net income (loss) attributable to noncontrolling interests (1) 0  
Net income (loss) attributable to ExxonMobil 274 322  
Additions to property, plant and equipment 34 49  
Investments in equity companies 0   0
Total Assets 2,887   2,961
Specialty Products | U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (496) (549)  
Specialty Products | U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 1,372 1,367  
Specialty Products | U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues 1 0  
Specialty Products | U.S. | Other income      
Segment reporting information [Line Items]      
Revenues 3 0  
Specialty Products | Non-U.S.      
Segment reporting information [Line Items]      
Revenues 3,169 3,144  
Crude oil and product purchases 2,109 2,079  
Operating expenses, excl. depreciation and depletion 497 570  
Depreciation and depletion (includes impairments) 38 38  
Interest expense 0 0  
Other taxes and duties 50 44  
Total costs and other deductions 2,694 2,731  
Segment income (loss) before income taxes 475 413  
Income tax expense (benefit) 90 77  
Net income (loss) including noncontrolling interests 385 336  
Net income (loss) attributable to noncontrolling interests 8 3  
Net income (loss) attributable to ExxonMobil 377 333  
Additions to property, plant and equipment 19 53  
Investments in equity companies 752   775
Total Assets 7,843   $ 8,020
Specialty Products | Non-U.S. | Intersegment Eliminations      
Segment reporting information [Line Items]      
Revenues (140) (114)  
Specialty Products | Non-U.S. | Sales and other operating revenue      
Segment reporting information [Line Items]      
Revenues 3,018 3,025  
Specialty Products | Non-U.S. | Income from equity affiliates      
Segment reporting information [Line Items]      
Revenues (18) (22)  
Specialty Products | Non-U.S. | Other income      
Segment reporting information [Line Items]      
Revenues $ 29 $ 27