Segment Disclosures and Related Information - Summary of Segment Level Net Income (Loss) (Details) - USD ($)
|
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
$ 58,944,000,000
|
$ 54,745,000,000
|
$ 56,141,000,000
|
| Production and operating expenses |
10,331,000,000
|
8,751,000,000
|
7,693,000,000
|
| Depreciation, depletion and amortization |
11,500,000,000
|
9,599,000,000
|
8,270,000,000
|
| Income tax provision (benefit) |
4,668,000,000
|
4,427,000,000
|
5,331,000,000
|
| Total |
26,499,000,000
|
22,777,000,000
|
21,294,000,000
|
| Equity in earnings of affiliates |
(1,335,000,000)
|
(1,705,000,000)
|
(1,720,000,000)
|
| Interest income |
(311,000,000)
|
(402,000,000)
|
(412,000,000)
|
| Interest and debt expense |
855,000,000
|
783,000,000
|
780,000,000
|
| Other |
25,248,000,000
|
24,047,000,000
|
25,242,000,000
|
| Total |
24,457,000,000
|
22,723,000,000
|
23,890,000,000
|
| Net Income (Loss) |
7,988,000,000
|
9,245,000,000
|
10,957,000,000
|
| Revenue from contracts outside the scope of ASC Topic 606 |
7,201,000,000
|
5,483,000,000
|
8,203,000,000
|
| Physical contracts meeting the definition of a derivative |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Revenue from contracts outside the scope of ASC Topic 606 |
7,201,000,000
|
5,483,000,000
|
8,203,000,000
|
| Pipeline Company |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
5,300,000,000
|
6,700,000,000
|
5,800,000,000
|
| Operating Segments And Corporate Nonsegment |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
60,960,000,000
|
56,906,000,000
|
58,045,000,000
|
| Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
(2,016,000,000)
|
(2,161,000,000)
|
(1,904,000,000)
|
| Total Segments |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
58,912,000,000
|
54,728,000,000
|
56,108,000,000
|
| Production and operating expenses |
10,176,000,000
|
8,659,000,000
|
7,631,000,000
|
| Depreciation, depletion and amortization |
11,448,000,000
|
9,566,000,000
|
8,245,000,000
|
| Income tax provision (benefit) |
4,945,000,000
|
5,235,000,000
|
5,538,000,000
|
| Total |
26,569,000,000
|
23,460,000,000
|
21,414,000,000
|
| Equity in earnings of affiliates |
(1,332,000,000)
|
(1,679,000,000)
|
(1,723,000,000)
|
| Interest income |
(8,000,000)
|
(8,000,000)
|
(9,000,000)
|
| Interest and debt expense |
0
|
0
|
0
|
| Other |
24,557,000,000
|
22,829,000,000
|
24,635,000,000
|
| Total |
23,217,000,000
|
21,142,000,000
|
22,903,000,000
|
| Net Income (Loss) |
9,126,000,000
|
10,126,000,000
|
11,791,000,000
|
| Total Segments | Operating Segments |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
60,897,000,000
|
56,852,000,000
|
57,982,000,000
|
| Total Segments | Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
(1,985,000,000)
|
(2,124,000,000)
|
(1,874,000,000)
|
| Alaska |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
5,638,000,000
|
6,553,000,000
|
7,098,000,000
|
| Production and operating expenses |
2,158,000,000
|
1,951,000,000
|
1,829,000,000
|
| Depreciation, depletion and amortization |
1,399,000,000
|
1,299,000,000
|
1,061,000,000
|
| Income tax provision (benefit) |
271,000,000
|
480,000,000
|
642,000,000
|
| Total |
3,828,000,000
|
3,730,000,000
|
3,532,000,000
|
| Equity in earnings of affiliates |
(1,000,000)
|
1,000,000
|
(1,000,000)
|
| Interest income |
0
|
0
|
0
|
| Interest and debt expense |
0
|
0
|
0
|
| Other |
1,081,000,000
|
1,496,000,000
|
1,789,000,000
|
| Total |
1,080,000,000
|
1,497,000,000
|
1,788,000,000
|
| Net Income (Loss) |
730,000,000
|
1,326,000,000
|
1,778,000,000
|
| Alaska | Operating Segments |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
5,638,000,000
|
6,553,000,000
|
7,098,000,000
|
| Alaska | Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
0
|
0
|
0
|
| Lower 48 |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
41,395,000,000
|
37,026,000,000
|
38,237,000,000
|
| Production and operating expenses |
5,856,000,000
|
4,751,000,000
|
4,199,000,000
|
| Depreciation, depletion and amortization |
8,121,000,000
|
6,442,000,000
|
5,722,000,000
|
| Income tax provision (benefit) |
1,380,000,000
|
1,462,000,000
|
1,763,000,000
|
| Total |
15,357,000,000
|
12,655,000,000
|
11,684,000,000
|
| Equity in earnings of affiliates |
(11,000,000)
|
(5,000,000)
|
9,000,000
|
| Interest income |
0
|
0
|
0
|
| Interest and debt expense |
0
|
0
|
0
|
| Other |
20,785,000,000
|
19,201,000,000
|
20,083,000,000
|
| Total |
20,774,000,000
|
19,196,000,000
|
20,092,000,000
|
| Net Income (Loss) |
5,264,000,000
|
5,175,000,000
|
6,461,000,000
|
| Lower 48 | Physical contracts meeting the definition of a derivative |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Revenue from contracts outside the scope of ASC Topic 606 |
$ 5,700,000,000
|
$ 4,200,000,000
|
$ 6,600,000,000
|
| Lower 48 | Pipeline Company | Revenue Benchmark | Customer Concentration Risk |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Concentration risk percentage |
10.00%
|
12.00%
|
10.00%
|
| Lower 48 | Operating Segments |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
$ 41,404,000,000
|
$ 37,028,000,000
|
$ 38,244,000,000
|
| Lower 48 | Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
(9,000,000)
|
(2,000,000)
|
(7,000,000)
|
| Canada |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
3,625,000,000
|
3,514,000,000
|
3,006,000,000
|
| Production and operating expenses |
833,000,000
|
902,000,000
|
619,000,000
|
| Depreciation, depletion and amortization |
556,000,000
|
639,000,000
|
420,000,000
|
| Income tax provision (benefit) |
236,000,000
|
228,000,000
|
26,000,000
|
| Total |
1,625,000,000
|
1,769,000,000
|
1,065,000,000
|
| Equity in earnings of affiliates |
0
|
0
|
0
|
| Interest income |
0
|
0
|
0
|
| Interest and debt expense |
0
|
0
|
0
|
| Other |
1,259,000,000
|
1,033,000,000
|
1,539,000,000
|
| Total |
1,259,000,000
|
1,033,000,000
|
1,539,000,000
|
| Net Income (Loss) |
741,000,000
|
712,000,000
|
402,000,000
|
| Canada | Physical contracts meeting the definition of a derivative |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Revenue from contracts outside the scope of ASC Topic 606 |
700,000,000
|
500,000,000
|
1,300,000,000
|
| Canada | Operating Segments |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
5,600,000,000
|
5,636,000,000
|
4,873,000,000
|
| Canada | Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
(1,975,000,000)
|
(2,122,000,000)
|
(1,867,000,000)
|
| Europe, Middle East and North Africa |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
6,484,000,000
|
5,788,000,000
|
5,854,000,000
|
| Production and operating expenses |
962,000,000
|
671,000,000
|
593,000,000
|
| Depreciation, depletion and amortization |
912,000,000
|
761,000,000
|
587,000,000
|
| Income tax provision (benefit) |
2,820,000,000
|
2,854,000,000
|
3,065,000,000
|
| Total |
4,694,000,000
|
4,286,000,000
|
4,245,000,000
|
| Equity in earnings of affiliates |
(558,000,000)
|
(586,000,000)
|
(580,000,000)
|
| Interest income |
0
|
0
|
(1,000,000)
|
| Interest and debt expense |
0
|
0
|
0
|
| Other |
1,124,000,000
|
899,000,000
|
1,001,000,000
|
| Total |
566,000,000
|
313,000,000
|
420,000,000
|
| Net Income (Loss) |
1,224,000,000
|
1,189,000,000
|
1,189,000,000
|
| Europe, Middle East and North Africa | Physical contracts meeting the definition of a derivative |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Revenue from contracts outside the scope of ASC Topic 606 |
800,000,000
|
800,000,000
|
300,000,000
|
| Europe, Middle East and North Africa | Operating Segments |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
6,485,000,000
|
5,788,000,000
|
5,854,000,000
|
| Europe, Middle East and North Africa | Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
(1,000,000)
|
0
|
0
|
| Asia Pacific |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
1,770,000,000
|
1,847,000,000
|
1,913,000,000
|
| Production and operating expenses |
367,000,000
|
384,000,000
|
391,000,000
|
| Depreciation, depletion and amortization |
460,000,000
|
425,000,000
|
455,000,000
|
| Income tax provision (benefit) |
238,000,000
|
211,000,000
|
42,000,000
|
| Total |
1,065,000,000
|
1,020,000,000
|
888,000,000
|
| Equity in earnings of affiliates |
(762,000,000)
|
(1,089,000,000)
|
(1,151,000,000)
|
| Interest income |
(8,000,000)
|
(8,000,000)
|
(8,000,000)
|
| Interest and debt expense |
0
|
0
|
0
|
| Other |
308,000,000
|
200,000,000
|
223,000,000
|
| Total |
(462,000,000)
|
(897,000,000)
|
(936,000,000)
|
| Net Income (Loss) |
1,167,000,000
|
1,724,000,000
|
1,961,000,000
|
| Asia Pacific | Operating Segments |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
1,770,000,000
|
1,847,000,000
|
1,913,000,000
|
| Asia Pacific | Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
0
|
0
|
0
|
| Corporate |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
32,000,000
|
17,000,000
|
33,000,000
|
| Production and operating expenses |
155,000,000
|
92,000,000
|
62,000,000
|
| Depreciation, depletion and amortization |
52,000,000
|
33,000,000
|
25,000,000
|
| Income tax provision (benefit) |
(277,000,000)
|
(808,000,000)
|
(207,000,000)
|
| Total |
(70,000,000)
|
(683,000,000)
|
(120,000,000)
|
| Equity in earnings of affiliates |
(3,000,000)
|
(26,000,000)
|
3,000,000
|
| Interest income |
(303,000,000)
|
(394,000,000)
|
(403,000,000)
|
| Interest and debt expense |
855,000,000
|
783,000,000
|
780,000,000
|
| Other |
691,000,000
|
1,218,000,000
|
607,000,000
|
| Total |
1,240,000,000
|
1,581,000,000
|
987,000,000
|
| Net Income (Loss) |
(1,138,000,000)
|
(881,000,000)
|
(834,000,000)
|
| Corporate | Corporate |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
63,000,000
|
54,000,000
|
63,000,000
|
| Corporate | Intersegment eliminations |
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
| Sales and other operating revenues |
$ (31,000,000)
|
$ (37,000,000)
|
$ (30,000,000)
|