v3.20.1
Supplementary Information - Condensed Consolidating Financial Information - Balance Sheet (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Assets    
Cash and cash equivalents $ 3,908 $ 5,088
Short-term investments 3,866 3,028
Accounts and notes receivable 2,264 3,401
Investment in Cenovus Energy 420 2,111
Inventories 726 1,026
Prepaid expenses and other current assets 1,960 2,259
Total Current Assets 13,144 16,913
Investments, loans and long-term receivables 8,874 8,906
Net properties, plants and equipment 40,645 42,269
Other assets 2,370 2,426
Total Assets 65,033 70,514
Liabilities and Stockholders' Equity    
Accounts payable 2,921 3,200
Short-term debt 126 105
Accrued income and other taxes 853 1,030
Employee benefit obligations 323 663
Other accruals 1,852 2,045
Total Current Liabilities 6,075 7,043
Long-term debt 14,847 14,790
Asset retirement obligations and accrued environmental costs 5,316 5,352
Deferred income taxes 4,141 4,634
Employee benefit obligations 1,563 1,781
Other liabilities and deferred credits 1,704 1,864
Total Liabilities 33,646 35,464
Retained earnings 37,545 39,742
Other common stockholders' equity (6,230) (4,761)
Noncontrolling interests 72 69
Total Liabilities and Stockholders' Equity 65,033 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, loans and long-term receivables 31,605 34,076
Net properties, plants and equipment 0 0
Other assets 4 3
Total Assets 31,615 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 57 84
Total Current Liabilities 54 81
Long-term debt 3,794 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 3,010 1,787
Total Liabilities 6,858 5,662
Retained earnings 30,987 33,184
Other common stockholders' equity (6,230) (4,761)
Noncontrolling interests 0 0
Total Liabilities and Stockholders' Equity 31,615 34,085
Consolidating Adjustments [Member]    
Assets    
Cash and cash equivalents 0 0
Short-term investments 0 0
Accounts and notes receivable (2,307) (2,575)
Investment in Cenovus Energy 0 0
Inventories 0 0
Prepaid expenses and other current assets 0 0
Total Current Assets (2,307) (2,575)
Investments, loans and long-term receivables (95,546) (97,413)
Net properties, plants and equipment 0 0
Other assets (609) (805)
Total Assets (98,462) (100,793)
Liabilities and Stockholders' Equity    
Accounts payable (2,307) (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 (2,307) (2,575)
Long-term debt 0 0
Asset retirement obligations and accrued environmental costs 0 0
Deferred income taxes (610) (804)
Employee benefit obligations 0 0
Other liabilities and deferred credits (19,814) (17,534)
Total Liabilities (22,731) (20,913)
Retained earnings (25,997) (27,985)
Other common stockholders' equity (49,734) (51,895)
Noncontrolling interests 0 0
Total Liabilities and Stockholders' Equity (98,462) (100,793)
Reportable Legal Entities [Member] | ConocoPhillips Company [Member]    
Assets    
Cash and cash equivalents 1,903 3,439
Short-term investments 3,799 2,670
Accounts and notes receivable 1,688 2,088
Investment in Cenovus Energy 420 2,111
Inventories 60 168
Prepaid expenses and other current assets 256 352
Total Current Assets 8,126 10,828
Investments, loans and long-term receivables 45,415 44,969
Net properties, plants and equipment 3,591 3,552
Other assets 661 765
Total Assets 57,793 60,114
Liabilities and Stockholders' Equity    
Accounts payable 2,148 2,670
Short-term debt 4 4
Accrued income and other taxes 85 79
Employee benefit obligations 237 508
Other accruals 354 408
Total Current Liabilities 2,828 3,669
Long-term debt 6,670 6,670
Asset retirement obligations and accrued environmental costs 322 322
Deferred income taxes 0 0
Employee benefit obligations 1,184 1,329
Other liabilities and deferred credits 8,649 7,514
Total Liabilities 19,653 19,504
Retained earnings 20,217 21,898
Other common stockholders' equity 17,923 18,712
Noncontrolling interests 0 0
Total Liabilities and Stockholders' Equity 57,793 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, loans and long-term receivables 10,756 11,662
Net properties, plants and equipment 0 0
Other assets 249 253
Total Assets 11,007 11,917
Liabilities and Stockholders' Equity    
Accounts payable 66 21
Short-term debt 14 13
Accrued income and other taxes 0 0
Employee benefit obligations 0 0
Other accruals 38 35
Total Current Liabilities 118 69
Long-term debt 2,125 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 918 826
Total Liabilities 3,161 3,024
Retained earnings 1,713 2,164
Other common stockholders' equity 6,133 6,729
Noncontrolling interests 0 0
Total Liabilities and Stockholders' Equity 11,007 11,917
Reportable Legal Entities [Member] | All Other Subsidiaries [Member]    
Assets    
Cash and cash equivalents 2,005 1,649
Short-term investments 67 358
Accounts and notes receivable 2,876 3,881
Investment in Cenovus Energy 0 0
Inventories 666 858
Prepaid expenses and other current assets 1,703 1,906
Total Current Assets 7,317 8,652
Investments, loans and long-term receivables 16,644 15,612
Net properties, plants and equipment 37,054 38,717
Other assets 2,065 2,210
Total Assets 63,080 65,191
Liabilities and Stockholders' Equity    
Accounts payable 3,014 3,084
Short-term debt 111 91
Accrued income and other taxes 768 951
Employee benefit obligations 86 155
Other accruals 1,403 1,518
Total Current Liabilities 5,382 5,799
Long-term debt 2,258 2,197
Asset retirement obligations and accrued environmental costs 4,994 5,030
Deferred income taxes 4,751 5,438
Employee benefit obligations 379 452
Other liabilities and deferred credits 8,941 9,271
Total Liabilities 26,705 28,187
Retained earnings 10,625 10,481
Other common stockholders' equity 25,678 26,454
Noncontrolling interests 72 69
Total Liabilities and Stockholders' Equity $ 63,080 $ 65,191