v3.20.2
Supplementary Information - Condensed Consolidating Financial Information - Balance Sheet (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Assets    
Cash and cash equivalents $ 2,907 $ 5,088
Short-term investments 3,985 3,028
Accounts and notes receivable 1,532 3,401
Investment in Cenovus Energy 971 2,111
Inventories 982 1,026
Prepaid expenses and other current assets 676 2,259
Total Current Assets 11,053 16,913
Investments and long-term receiavables 8,501 8,906
Net properties, plants and equipment 41,120 42,269
Other assets 2,372 2,426
Total Assets 63,046 70,514
Liabilities and Stockholders' Equity    
Accounts payable 2,080 3,200
Short-term debt 146 105
Accrued income and other taxes 312 1,030
Employee benefit obligations 422 663
Other accruals 1,145 2,045
Total Current Liabilities 4,105 7,043
Long-term debt 14,852 14,790
Asset retirement obligations and accrued environmental costs 5,465 5,352
Deferred income taxes 3,901 4,634
Employee benefit obligations 1,586 1,781
Other liabilities and deferred credits 1,644 1,864
Total Liabilities 31,553 35,464
Retained earnings 37,351 39,742
Other common stockholders' equity (5,858) (4,761)
Noncontrolling interests 0 69
Total Liabilities and Stockholders' Equity 63,046 70,514
ConocoPhillips [Member]    
Assets    
Cash and cash equivalents 0 0
Short-term investments 0 0
Accounts and notes receivable 5 5
Investment in Cenovus Energy 0 0
Inventories 0 0
Prepaid expenses and other current assets 1 1
Total Current Assets 6 6
Investments and long-term receiavables 29,249 34,076
Net properties, plants and equipment 0 0
Other assets 4 3
Total Assets 29,259 34,085
Liabilities and Stockholders' Equity    
Accounts payable 0 0
Short-term debt (3) (3)
Accrued income and other taxes 0 0
Employee benefit obligations 0 0
Other accruals 85 84
Total Current Liabilities 82 81
Long-term debt 3,795 3,794
Asset retirement obligations and accrued environmental costs 0 0
Deferred income taxes 0 0
Employee benefit obligations 0 0
Other liabilities and deferred credits 447 1,787
Total Liabilities 4,324 5,662
Retained earnings 30,793 33,184
Other common stockholders' equity (5,858) (4,761)
Noncontrolling interests   0
Total Liabilities and Stockholders' Equity 29,259 34,085
Consolidating Adjustments [Member]    
Assets    
Cash and cash equivalents 0 0
Short-term investments 0 0
Accounts and notes receivable (1,269) (2,575)
Investment in Cenovus Energy 0 0
Inventories 0 0
Prepaid expenses and other current assets 0 0
Total Current Assets (1,269) (2,575)
Investments and long-term receiavables (84,700) (97,413)
Net properties, plants and equipment 0 0
Other assets (697) (805)
Total Assets (86,666) (100,793)
Liabilities and Stockholders' Equity    
Accounts payable (1,269) (2,575)
Short-term debt 0 0
Accrued income and other taxes 0 0
Employee benefit obligations 0 0
Other accruals 0 0
Total Current Liabilities (1,269) (2,575)
Long-term debt 0 0
Asset retirement obligations and accrued environmental costs 0 0
Deferred income taxes (697) (804)
Employee benefit obligations 0 0
Other liabilities and deferred credits (14,461) (17,534)
Total Liabilities (16,427) (20,913)
Retained earnings (20,049) (27,985)
Other common stockholders' equity (50,190) (51,895)
Noncontrolling interests   0
Total Liabilities and Stockholders' Equity (86,666) (100,793)
Reportable Legal Entities [Member] | ConocoPhillips Company [Member]    
Assets    
Cash and cash equivalents 1,801 3,439
Short-term investments 3,934 2,670
Accounts and notes receivable 850 2,088
Investment in Cenovus Energy 971 2,111
Inventories 125 168
Prepaid expenses and other current assets 209 352
Total Current Assets 7,890 10,828
Investments and long-term receiavables 39,784 44,969
Net properties, plants and equipment 3,561 3,552
Other assets 730 765
Total Assets 51,965 60,114
Liabilities and Stockholders' Equity    
Accounts payable 1,394 2,670
Short-term debt 4 4
Accrued income and other taxes 91 79
Employee benefit obligations 327 508
Other accruals 356 408
Total Current Liabilities 2,172 3,669
Long-term debt 6,667 6,670
Asset retirement obligations and accrued environmental costs 339 322
Deferred income taxes 0 0
Employee benefit obligations 1,186 1,329
Other liabilities and deferred credits 5,814 7,514
Total Liabilities 16,178 19,504
Retained earnings 17,543 21,898
Other common stockholders' equity 18,244 18,712
Noncontrolling interests   0
Total Liabilities and Stockholders' Equity 51,965 60,114
Reportable Legal Entities [Member] | Burlington Resources LLC [Member]    
Assets    
Cash and cash equivalents 0 0
Short-term investments 0 0
Accounts and notes receivable 2 2
Investment in Cenovus Energy 0 0
Inventories 0 0
Prepaid expenses and other current assets 0 0
Total Current Assets 2 2
Investments and long-term receiavables 10,711 11,662
Net properties, plants and equipment 0 0
Other assets 248 253
Total Assets 10,961 11,917
Liabilities and Stockholders' Equity    
Accounts payable 109 21
Short-term debt 14 13
Accrued income and other taxes 0 0
Employee benefit obligations 0 0
Other accruals 35 35
Total Current Liabilities 158 69
Long-term debt 2,123 2,129
Asset retirement obligations and accrued environmental costs 0 0
Deferred income taxes 0 0
Employee benefit obligations 0 0
Other liabilities and deferred credits 919 826
Total Liabilities 3,200 3,024
Retained earnings 1,384 2,164
Other common stockholders' equity 6,377 6,729
Noncontrolling interests   0
Total Liabilities and Stockholders' Equity 10,961 11,917
Reportable Legal Entities [Member] | All Other Subsidiaries [Member]    
Assets    
Cash and cash equivalents 1,106 1,649
Short-term investments 51 358
Accounts and notes receivable 1,944 3,881
Investment in Cenovus Energy 0 0
Inventories 857 858
Prepaid expenses and other current assets 466 1,906
Total Current Assets 4,424 8,652
Investments and long-term receiavables 13,457 15,612
Net properties, plants and equipment 37,559 38,717
Other assets 2,087 2,210
Total Assets 57,527 65,191
Liabilities and Stockholders' Equity    
Accounts payable 1,846 3,084
Short-term debt 131 91
Accrued income and other taxes 221 951
Employee benefit obligations 95 155
Other accruals 669 1,518
Total Current Liabilities 2,962 5,799
Long-term debt 2,267 2,197
Asset retirement obligations and accrued environmental costs 5,126 5,030
Deferred income taxes 4,598 5,438
Employee benefit obligations 400 452
Other liabilities and deferred credits 8,925 9,271
Total Liabilities 24,278 28,187
Retained earnings 7,680 10,481
Other common stockholders' equity 25,569 26,454
Noncontrolling interests   69
Total Liabilities and Stockholders' Equity $ 57,527 $ 65,191