Supplementary Information - Condensed Consolidating Financial Information Balance Sheet (Details) - USD ($)
|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Assets |
|
|
|
| Cash and cash equivalents |
$ 5,088,000,000
|
$ 5,915,000,000
|
|
| Short-term investments |
3,028,000,000
|
248,000,000
|
|
| Accounts and notes receivable |
3,401,000,000
|
4,067,000,000
|
|
| Investment in Cenovus Energy |
2,111,000,000
|
1,462,000,000
|
|
| Inventories |
1,026,000,000
|
1,007,000,000
|
|
| Prepaid expenses and other current assets |
2,259,000,000
|
575,000,000
|
|
| Total Current Assets |
16,913,000,000
|
13,274,000,000
|
|
| Investments and long-term receivables |
8,906,000,000
|
9,664,000,000
|
|
| Net properties, plants and equipment (net of accumulated depreciation, depletion and amortization of $55,477 million in 2019 and $64,899 million in 2018) |
42,269,000,000
|
45,698,000,000
|
|
| Other assets |
2,426,000,000
|
1,344,000,000
|
|
| Total Assets |
70,514,000,000
|
69,980,000,000
|
$ 73,362,000,000
|
| Liabilities and Stockholders Equity |
|
|
|
| Accounts payable and related party accounts payable |
3,200,000,000
|
3,895,000,000
|
|
| Short-term debt |
105,000,000
|
112,000,000
|
|
| Accrued income and other taxes |
1,030,000,000
|
1,320,000,000
|
|
| Employee benefit obligations |
663,000,000
|
809,000,000
|
|
| Other accruals |
2,045,000,000
|
1,259,000,000
|
|
| Total Current Liabilities |
7,043,000,000
|
7,395,000,000
|
|
| Long-term debt |
14,790,000,000
|
14,856,000,000
|
|
| Long-term asset retirement obligations and accrued environmental costs |
5,352,000,000
|
7,688,000,000
|
|
| Long Term Deferred income taxes |
4,634,000,000
|
5,021,000,000
|
|
| Employee benefit obligations |
1,781,000,000
|
1,764,000,000
|
|
| Other liabilities and deferred credits |
1,864,000,000
|
1,192,000,000
|
|
| Total Liabilities |
35,464,000,000
|
37,916,000,000
|
|
| Retained earnings |
39,742,000,000
|
34,010,000,000
|
|
| Other common stockholders' equity |
(4,761,000,000)
|
(2,071,000,000)
|
|
| Noncontrolling interests |
69,000,000
|
125,000,000
|
|
| Total Liabilities and Equity |
70,514,000,000
|
69,980,000,000
|
|
| ConocoPhillips [Member] |
|
|
|
| Assets |
|
|
|
| Cash and cash equivalents |
0
|
0
|
|
| Short-term investments |
0
|
0
|
|
| Accounts and notes receivable |
5,000,000
|
28,000,000
|
|
| Investment in Cenovus Energy |
0
|
0
|
|
| Inventories |
0
|
0
|
|
| Prepaid expenses and other current assets |
1,000,000
|
1,000,000
|
|
| Total Current Assets |
6,000,000
|
29,000,000
|
|
| Investments and long-term receivables |
34,076,000,000
|
29,942,000,000
|
|
| Net properties, plants and equipment (net of accumulated depreciation, depletion and amortization of $55,477 million in 2019 and $64,899 million in 2018) |
0
|
0
|
|
| Other assets |
3,000,000
|
4,000,000
|
|
| Total Assets |
34,085,000,000
|
29,975,000,000
|
|
| Liabilities and Stockholders Equity |
|
|
|
| Accounts payable and related party accounts payable |
0
|
0
|
|
| Short-term debt |
(3,000,000)
|
(3,000,000)
|
|
| Accrued income and other taxes |
0
|
0
|
|
| Employee benefit obligations |
0
|
0
|
|
| Other accruals |
84,000,000
|
85,000,000
|
|
| Total Current Liabilities |
81,000,000
|
82,000,000
|
|
| Long-term debt |
3,794,000,000
|
3,791,000,000
|
|
| Long-term asset retirement obligations and accrued environmental costs |
0
|
0
|
|
| Long Term Deferred income taxes |
0
|
0
|
|
| Employee benefit obligations |
0
|
0
|
|
| Other liabilities and deferred credits |
1,787,000,000
|
725,000,000
|
|
| Total Liabilities |
5,662,000,000
|
4,598,000,000
|
|
| Retained earnings |
33,184,000,000
|
27,512,000,000
|
|
| Other common stockholders' equity |
(4,761,000,000)
|
(2,135,000,000)
|
|
| Noncontrolling interests |
0
|
0
|
|
| Total Liabilities and Equity |
34,085,000,000
|
29,975,000,000
|
|
| Reportable Legal Entities [Member] | ConocoPhillips Company [Member] |
|
|
|
| Assets |
|
|
|
| Cash and cash equivalents |
3,439,000,000
|
1,428,000,000
|
|
| Short-term investments |
2,670,000,000
|
0
|
|
| Accounts and notes receivable |
2,088,000,000
|
5,646,000,000
|
|
| Investment in Cenovus Energy |
2,111,000,000
|
1,462,000,000
|
|
| Inventories |
168,000,000
|
184,000,000
|
|
| Prepaid expenses and other current assets |
352,000,000
|
267,000,000
|
|
| Total Current Assets |
10,828,000,000
|
8,987,000,000
|
|
| Investments and long-term receivables |
44,969,000,000
|
47,062,000,000
|
|
| Net properties, plants and equipment (net of accumulated depreciation, depletion and amortization of $55,477 million in 2019 and $64,899 million in 2018) |
3,552,000,000
|
4,367,000,000
|
|
| Other assets |
765,000,000
|
642,000,000
|
|
| Total Assets |
60,114,000,000
|
61,058,000,000
|
|
| Liabilities and Stockholders Equity |
|
|
|
| Accounts payable and related party accounts payable |
2,670,000,000
|
5,098,000,000
|
|
| Short-term debt |
4,000,000
|
12,000,000
|
|
| Accrued income and other taxes |
79,000,000
|
85,000,000
|
|
| Employee benefit obligations |
508,000,000
|
638,000,000
|
|
| Other accruals |
408,000,000
|
587,000,000
|
|
| Total Current Liabilities |
3,669,000,000
|
6,420,000,000
|
|
| Long-term debt |
6,670,000,000
|
7,151,000,000
|
|
| Long-term asset retirement obligations and accrued environmental costs |
322,000,000
|
415,000,000
|
|
| Long Term Deferred income taxes |
0
|
0
|
|
| Employee benefit obligations |
1,329,000,000
|
1,340,000,000
|
|
| Other liabilities and deferred credits |
7,514,000,000
|
9,277,000,000
|
|
| Total Liabilities |
19,504,000,000
|
24,603,000,000
|
|
| Retained earnings |
21,898,000,000
|
18,511,000,000
|
|
| Other common stockholders' equity |
18,712,000,000
|
17,944,000,000
|
|
| Noncontrolling interests |
0
|
0
|
|
| Total Liabilities and Equity |
60,114,000,000
|
61,058,000,000
|
|
| Reportable Legal Entities [Member] | Burlington Resources LLC [Member] |
|
|
|
| Assets |
|
|
|
| Cash and cash equivalents |
0
|
0
|
|
| Short-term investments |
0
|
0
|
|
| Accounts and notes receivable |
2,000,000
|
78,000,000
|
|
| Investment in Cenovus Energy |
0
|
0
|
|
| Inventories |
0
|
0
|
|
| Prepaid expenses and other current assets |
0
|
0
|
|
| Total Current Assets |
2,000,000
|
78,000,000
|
|
| Investments and long-term receivables |
11,662,000,000
|
15,199,000,000
|
|
| Net properties, plants and equipment (net of accumulated depreciation, depletion and amortization of $55,477 million in 2019 and $64,899 million in 2018) |
0
|
0
|
|
| Other assets |
253,000,000
|
227,000,000
|
|
| Total Assets |
11,917,000,000
|
15,504,000,000
|
|
| Liabilities and Stockholders Equity |
|
|
|
| Accounts payable and related party accounts payable |
21,000,000
|
76,000,000
|
|
| Short-term debt |
13,000,000
|
13,000,000
|
|
| Accrued income and other taxes |
0
|
0
|
|
| Employee benefit obligations |
0
|
0
|
|
| Other accruals |
35,000,000
|
35,000,000
|
|
| Total Current Liabilities |
69,000,000
|
124,000,000
|
|
| Long-term debt |
2,129,000,000
|
2,143,000,000
|
|
| Long-term asset retirement obligations and accrued environmental costs |
0
|
0
|
|
| Long Term Deferred income taxes |
0
|
0
|
|
| Employee benefit obligations |
0
|
0
|
|
| Other liabilities and deferred credits |
826,000,000
|
839,000,000
|
|
| Total Liabilities |
3,024,000,000
|
3,106,000,000
|
|
| Retained earnings |
2,164,000,000
|
1,113,000,000
|
|
| Other common stockholders' equity |
6,729,000,000
|
11,285,000,000
|
|
| Noncontrolling interests |
0
|
0
|
|
| Total Liabilities and Equity |
11,917,000,000
|
15,504,000,000
|
|
| Reportable Legal Entities [Member] | All Other Subsidiaries [Member] |
|
|
|
| Assets |
|
|
|
| Cash and cash equivalents |
1,649,000,000
|
4,487,000,000
|
|
| Short-term investments |
358,000,000
|
248,000,000
|
|
| Accounts and notes receivable |
3,881,000,000
|
6,707,000,000
|
|
| Investment in Cenovus Energy |
0
|
0
|
|
| Inventories |
858,000,000
|
823,000,000
|
|
| Prepaid expenses and other current assets |
1,906,000,000
|
307,000,000
|
|
| Total Current Assets |
8,652,000,000
|
12,572,000,000
|
|
| Investments and long-term receivables |
15,612,000,000
|
16,926,000,000
|
|
| Net properties, plants and equipment (net of accumulated depreciation, depletion and amortization of $55,477 million in 2019 and $64,899 million in 2018) |
38,717,000,000
|
41,796,000,000
|
|
| Other assets |
2,210,000,000
|
1,269,000,000
|
|
| Total Assets |
65,191,000,000
|
72,563,000,000
|
|
| Liabilities and Stockholders Equity |
|
|
|
| Accounts payable and related party accounts payable |
3,084,000,000
|
7,113,000,000
|
|
| Short-term debt |
91,000,000
|
99,000,000
|
|
| Accrued income and other taxes |
951,000,000
|
1,235,000,000
|
|
| Employee benefit obligations |
155,000,000
|
171,000,000
|
|
| Other accruals |
1,518,000,000
|
552,000,000
|
|
| Total Current Liabilities |
5,799,000,000
|
9,170,000,000
|
|
| Long-term debt |
2,197,000,000
|
2,249,000,000
|
|
| Long-term asset retirement obligations and accrued environmental costs |
5,030,000,000
|
7,273,000,000
|
|
| Long Term Deferred income taxes |
5,438,000,000
|
5,819,000,000
|
|
| Employee benefit obligations |
452,000,000
|
424,000,000
|
|
| Other liabilities and deferred credits |
9,271,000,000
|
8,126,000,000
|
|
| Total Liabilities |
28,187,000,000
|
33,061,000,000
|
|
| Retained earnings |
10,481,000,000
|
9,764,000,000
|
|
| Other common stockholders' equity |
26,454,000,000
|
29,613,000,000
|
|
| Noncontrolling interests |
69,000,000
|
125,000,000
|
|
| Total Liabilities and Equity |
65,191,000,000
|
72,563,000,000
|
|
| Consolidating Adjustments [Member] |
|
|
|
| Assets |
|
|
|
| Cash and cash equivalents |
0
|
0
|
|
| Short-term investments |
0
|
0
|
|
| Accounts and notes receivable |
(2,575,000,000)
|
(8,392,000,000)
|
|
| Investment in Cenovus Energy |
0
|
0
|
|
| Inventories |
0
|
0
|
|
| Prepaid expenses and other current assets |
0
|
0
|
|
| Total Current Assets |
(2,575,000,000)
|
(8,392,000,000)
|
|
| Investments and long-term receivables |
(97,413,000,000)
|
(99,465,000,000)
|
|
| Net properties, plants and equipment (net of accumulated depreciation, depletion and amortization of $55,477 million in 2019 and $64,899 million in 2018) |
0
|
(465,000,000)
|
|
| Other assets |
(805,000,000)
|
(798,000,000)
|
|
| Total Assets |
(100,793,000,000)
|
(109,120,000,000)
|
|
| Liabilities and Stockholders Equity |
|
|
|
| Accounts payable and related party accounts payable |
(2,575,000,000)
|
(8,392,000,000)
|
|
| Short-term debt |
0
|
(9,000,000)
|
|
| Accrued income and other taxes |
0
|
0
|
|
| Employee benefit obligations |
0
|
0
|
|
| Other accruals |
0
|
0
|
|
| Total Current Liabilities |
(2,575,000,000)
|
(8,401,000,000)
|
|
| Long-term debt |
0
|
(478,000,000)
|
|
| Long-term asset retirement obligations and accrued environmental costs |
0
|
0
|
|
| Long Term Deferred income taxes |
(804,000,000)
|
(798,000,000)
|
|
| Employee benefit obligations |
0
|
0
|
|
| Other liabilities and deferred credits |
(17,534,000,000)
|
(17,775,000,000)
|
|
| Total Liabilities |
(20,913,000,000)
|
(27,452,000,000)
|
|
| Retained earnings |
(27,985,000,000)
|
(22,890,000,000)
|
|
| Other common stockholders' equity |
(51,895,000,000)
|
(58,778,000,000)
|
|
| Noncontrolling interests |
0
|
0
|
|
| Total Liabilities and Equity |
$ (100,793,000,000)
|
$ (109,120,000,000)
|
|