Summary of Accounting Policies - Reconciliation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net Income Attributable to Schlumberger
Basic	$ 4,203	$ 3,441	$ 1,881
Diluted	$ 4,203	$ 3,441	$ 1,881
Average Shares Outstanding
Basic	1,425	1,416	1,400
Dilutive impact of stock options and restricted stock	18	21	27
Diluted	1,443	1,437	1,427
Earnings per Share
Basic	$ 2.95	$ 2.43	$ 1.34
Diluted	$ 2.91	$ 2.39	$ 1.32