v2.4.0.6
Long-Term Debt (Condensed Consolidated Statement Of Income) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Sales and other operating revenue, including sales-based taxes $ 467,029 [1],[2] $ 370,125 [1],[2] $ 301,500 [1],[2]
Income from equity affiliates 15,289 10,677 7,143
Other income 4,111 2,419 1,943
Intercompany revenue       
Total revenues and other income 486,429 383,221 310,586
Crude oil and product purchases 266,534 197,959 152,806
Production and manufacturing expenses 40,268 35,792 33,027
Selling, general and administrative expenses 14,983 14,683 14,735
Depreciation and depletion 15,583 14,760 11,917
Exploration expenses, including dry holes 2,081 2,144 2,021
Interest expense 247 259 548
Sales-based taxes 33,503 [2] 28,547 [2] 25,936 [2]
Other taxes and duties 39,973 36,118 34,819
Total costs and other deductions 413,172 330,262 275,809
Income before income taxes 73,257 52,959 34,777
Income taxes 31,051 21,561 15,119
Net income including noncontrolling interests 42,206 31,398 19,658
Net income attributable to noncontrolling interests 1,146 938 378
Net income attributable to ExxonMobil 41,060 30,460 19,280
Exxon Mobil Corporation Parent Guarantor [Member]
      
Sales and other operating revenue, including sales-based taxes 17,942 15,382 11,352
Income from equity affiliates 39,198 28,401 19,852
Other income 472 790 813
Intercompany revenue 54,891 39,433 30,889
Total revenues and other income 112,503 84,006 62,906
Crude oil and product purchases 57,604 40,788 31,419
Production and manufacturing expenses 7,827 7,627 7,811
Selling, general and administrative expenses 2,936 2,871 2,574
Depreciation and depletion 1,660 1,761 1,571
Exploration expenses, including dry holes 219 251 230
Interest expense 305 217 1,200
Other taxes and duties 40 29 (29)
Total costs and other deductions 70,591 53,544 44,776
Income before income taxes 41,912 30,462 18,130
Income taxes 852 2 (1,150)
Net income including noncontrolling interests 41,060 30,460 19,280
Net income attributable to ExxonMobil 41,060 30,460 19,280
SeaRiver Maritime Financial Holdings, Inc. [Member]
      
Sales and other operating revenue, including sales-based taxes        
Income from equity affiliates (14) (2) 7
Other income        
Intercompany revenue 3 4 4
Total revenues and other income (11) 2 11
Crude oil and product purchases        
Production and manufacturing expenses        
Selling, general and administrative expenses        
Depreciation and depletion        
Exploration expenses, including dry holes        
Interest expense 274 246 222
Sales-based taxes        
Other taxes and duties        
Total costs and other deductions 274 246 222
Income before income taxes (285) (244) (211)
Income taxes (101) (90) (81)
Net income including noncontrolling interests (184) (154) (130)
Net income attributable to noncontrolling interests        
Net income attributable to ExxonMobil (184) (154) (130)
All Other Subsidiaries [Member]
      
Sales and other operating revenue, including sales-based taxes 449,087 354,743 290,148
Income from equity affiliates 15,196 10,589 7,060
Other income 3,639 1,629 1,130
Intercompany revenue 451,627 332,483 271,663
Total revenues and other income 919,549 699,444 570,001
Crude oil and product purchases 704,125 518,961 411,689
Production and manufacturing expenses 38,234 33,400 30,805
Selling, general and administrative expenses 12,748 12,482 12,852
Depreciation and depletion 13,923 12,999 10,346
Exploration expenses, including dry holes 1,862 1,893 1,791
Interest expense 4,512 4,035 5,126
Sales-based taxes 33,503 28,547 25,936
Other taxes and duties 39,933 36,089 34,848
Total costs and other deductions 848,840 648,406 533,393
Income before income taxes 70,709 51,038 36,608
Income taxes 30,300 21,649 16,350
Net income including noncontrolling interests 40,409 29,389 20,258
Net income attributable to noncontrolling interests 1,146 938 378
Net income attributable to ExxonMobil 39,263 28,451 19,880
Consolidating And Eliminating Adjustments [Member]
      
Sales and other operating revenue, including sales-based taxes        
Income from equity affiliates (39,091) (28,311) (19,776)
Other income        
Intercompany revenue (506,521) (371,920) (302,556)
Total revenues and other income (545,612) (400,231) (322,332)
Crude oil and product purchases (495,195) (361,790) (290,302)
Production and manufacturing expenses (5,793) (5,235) (5,589)
Selling, general and administrative expenses (701) (670) (691)
Depreciation and depletion        
Exploration expenses, including dry holes        
Interest expense (4,844) (4,239) (6,000)
Sales-based taxes        
Other taxes and duties        
Total costs and other deductions (506,533) (371,934) (302,582)
Income before income taxes (39,079) (28,297) (19,750)
Income taxes        
Net income including noncontrolling interests (39,079) (28,297) (19,750)
Net income attributable to noncontrolling interests        
Net income attributable to ExxonMobil $ (39,079) $ (28,297) $ (19,750)
[1] Sales and other operating revenue includes sales-based taxes of $33,503 million for 2011, $28,547 million for 2010 and $25,936 million for 2009. See Note 1, Summary of Accounting Policies.
[2] Sales and other operating revenue includes sales-based taxes of $33,503 million for 2011, $28,547 million for 2010 and $25,936 million for 2009.