Goodwill - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 14,084	$ 12,982
Acquisitions	509	1,102
Goodwill, Ending Balance	14,593	14,084
Operating Segments | Digital Integration
Goodwill [Line Items]
Goodwill, Beginning Balance	2,044	2,044
Goodwill, Ending Balance	2,044	2,044
Operating Segments | Reservoir Performance
Goodwill [Line Items]
Goodwill, Beginning Balance	3,804	3,804
Goodwill, Ending Balance	3,804	3,804
Operating Segments | Well Construction
Goodwill [Line Items]
Goodwill, Beginning Balance	6,417	6,281
Acquisitions	5	136
Goodwill, Ending Balance	6,422	6,417
Operating Segments | Production Systems
Goodwill [Line Items]
Goodwill, Beginning Balance	1,819	853
Acquisitions	22	966
Goodwill, Ending Balance	1,841	$ 1,819
Operating Segments | Other
Goodwill [Line Items]
Acquisitions	482
Goodwill, Ending Balance	$ 482