Segment Information - Schedule of Segment Reporting Information, by Segment (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenue		$ 36,289	$ 33,135	$ 28,091
Pretax Income (Loss)		5,672	5,282	4,271
Assets		48,935	47,957	43,135
Depreciation and Amortization	[1]	2,519	2,312	2,147
Capital Investments		2,612	2,599	2,302
Interest expense		512	503	490
Charges & credits		540	110	347
Digital Integration
Segment Reporting Information [Line Items]
Revenue		4,247	3,871	3,725
Reservoir Performance
Segment Reporting Information [Line Items]
Revenue		7,177	6,561	5,553
Well Construction
Segment Reporting Information [Line Items]
Revenue		13,357	13,478	11,397
Production Systems
Segment Reporting Information [Line Items]
Revenue		12,143	9,831	7,862
Eliminations & Other
Segment Reporting Information [Line Items]
Revenue		(635)	(606)	(446)
Operating Segments
Segment Reporting Information [Line Items]
Revenue		36,289	33,135	28,091
Interest income		39	12	72
Interest expense		14	14	13
Operating Segments | Digital Integration
Segment Reporting Information [Line Items]
Revenue		4,247	3,871	3,725
Pretax Income (Loss)		1,408	1,257	1,357
Assets		3,117	3,089	3,132
Depreciation and Amortization		654	578	504
Capital Investments		682	660	689
Operating Segments | Reservoir Performance
Segment Reporting Information [Line Items]
Revenue		7,177	6,561	5,553
Pretax Income (Loss)		1,452	1,263	881
Assets		3,802	3,491	3,159
Depreciation and Amortization		403	387	386
Capital Investments		624	514	478
Operating Segments | Well Construction
Segment Reporting Information [Line Items]
Revenue		13,357	13,478	11,397
Pretax Income (Loss)		2,826	2,932	2,202
Assets		6,741	7,129	6,481
Depreciation and Amortization		649	587	524
Capital Investments		745	908	687
Operating Segments | Production Systems
Segment Reporting Information [Line Items]
Revenue		12,143	9,831	7,862
Pretax Income (Loss)		1,898	1,245	748
Assets		7,116	6,640	5,603
Depreciation and Amortization		348	325	311
Capital Investments		418	384	346
Operating Segments | Eliminations & Other
Segment Reporting Information [Line Items]
Revenue		(635)	(606)	(446)
Pretax Income (Loss)		(263)	(174)	(177)
Assets		1,247	1,352	1,426
Depreciation and Amortization		287	277	271
Capital Investments		143	133	102
Corporate & other
Segment Reporting Information [Line Items]
Depreciation and Amortization	[2]	178	158	151
Goodwill and intangible assets		17,605	17,323	15,974
Cash and short-term investments		4,669	3,989	2,897
All other assets		4,638	4,944	4,463
Corporate & other	[2]	(744)	(729)	(637)
Interest income	[3]	134	87	27
Interest expense	[4]	(498)	(489)	(477)
Charges & credits	[5]	$ (541)	$ (110)	$ 347

[1] Includes depreciation of fixed assets and amortization of intangible assets, exploration data costs and APS investments.

[2] Comprised principally of certain corporate expenses not allocated to the segments, stock-based compensation costs, amortization expense associated with certain intangible assets, certain centrally managed initiatives and other nonoperating items.

[3] Interest income excludes amounts which are included in the segments’ income (2024: $39 million; 2023: $12 million; 2022: $72 million).

[4] Interest expense excludes amounts which are included in the segments’ income (2024: $14 million; 2023: $14 million; 2022: $13 million).

[5] See Note 3 – Charges and Credits.