Segment information - Revenue by Segment (Details) - USD ($)
$ in Millions

3 Months Ended

6 Months Ended

Jun. 30, 2026

Mar. 31, 2026

Jun. 30, 2025

Jun. 30, 2026

Jun. 30, 2025

Disclosure of operating segments [line items]

Revenue:

^[1]

$ 94,664

$ 69,691

$ 65,406

$ 164,355

$ 134,640

Third-party

Disclosure of operating segments [line items]

Revenue:

94,664

69,691

65,406

164,355

134,640

Third-party | Integrated Gas

Disclosure of operating segments [line items]

Revenue:

11,278

7,748

9,576

19,026

19,179

Third-party | Upstream

Disclosure of operating segments [line items]

Revenue:

1,800

1,400

1,193

3,200

2,703

Third-party | Marketing

Disclosure of operating segments [line items]

Revenue:

38,015

30,695

28,241

68,710

55,324

Third-party | Chemicals and Products

Disclosure of operating segments [line items]

Revenue:

34,235

19,221

18,388

53,456

39,998

Third-party | Renewables and Energy Solutions

Disclosure of operating segments [line items]

Revenue:

9,338

10,622

7,996

19,960

17,413

Third-party | Corporate

Disclosure of operating segments [line items]

Revenue:

(2)

5

12

3

23

Inter-segment

Disclosure of operating segments [line items]

Revenue:

31,762

26,055

22,701

57,817

46,498

Inter-segment | Integrated Gas

Disclosure of operating segments [line items]

Revenue:

2,066

3,410

2,412

5,476

5,086

Inter-segment | Upstream

Disclosure of operating segments [line items]

Revenue:

11,621

9,389

8,502

21,011

18,356

Inter-segment | Marketing

Disclosure of operating segments [line items]

Revenue:

3,624

2,245

2,177

5,869

4,026

Inter-segment | Chemicals and Products

Disclosure of operating segments [line items]

Revenue:

13,306

9,660

8,775

22,966

17,030

Inter-segment | Renewables and Energy Solutions

Disclosure of operating segments [line items]

Revenue:

1,143

1,352

835

2,495

1,999

Inter-segment | Corporate

Disclosure of operating segments [line items]

Revenue:

$ 0

$ 0

$ 0

$ 0

$ 0

[1]	See Note 2 “Segment information”.