Business Segment and Geographic Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenue:
Revenue	$ 5,417	$ 5,804
Operating income (loss):
Operating income	431	987
Interest expense, net of interest income	(86)	(92)
Other, net	(39)	(108)
Income (loss) from continuing operations before income taxes	306	787
Payments to Acquire Productive Assets	302	330
Depreciation, Depletion and Amortization	277	263
SAP S4 Upgrade Expense	(30)	(34)
Argentina investment impairment and Egypt Devaluation		82
Impairments and other charges	(356)	0
Total operations
Operating income (loss):
Operating income	883	1,086
Completion and Production
Revenue:
Revenue	3,120	3,373
Operating income (loss):
Operating income	531	688
Payments to Acquire Productive Assets	178	176
Depreciation, Depletion and Amortization	152	144
Impairments and other charges	(201)
Drilling and Evaluation
Revenue:
Revenue	2,297	2,431
Operating income (loss):
Operating income	352	398
Payments to Acquire Productive Assets	124	153
Depreciation, Depletion and Amortization	121	115
Impairments and other charges	(85)
Corporate Segment and Other Operating Segment [Member]
Operating income (loss):
Other General Expense	(66)	(65)
Payments to Acquire Productive Assets	0	1
Depreciation, Depletion and Amortization	4	$ 4
Impairments and other charges	$ (70)