Earnings Per Share - Reconciliation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net Income Attributable to Schlumberger
Basic	$ 1,112	$ 1,033	$ 2,180	$ 1,967
Diluted	$ 1,112	$ 1,033	$ 2,180	$ 1,967
Average Shares Outstanding
Basic	1,428	1,423	1,429	1,425
Assumed exercise of stock options	1	2	1	2
Unvested restricted stock	14	17	15	17
Diluted	1,443	1,442	1,445	1,444
Earnings per Share
Basic	$ 0.78	$ 0.73	$ 1.53	$ 1.38
Diluted	$ 0.77	$ 0.72	$ 1.51	$ 1.36