Earnings Per Share - Reconciliation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net Income Attributable to Schlumberger
Basic	$ 797	$ 1,068
Diluted	$ 797	$ 1,068
Average Shares Outstanding
Basic	1,366	1,431
Assumed exercise of stock options	0	1
Unvested restricted stock	14	15
Diluted	1,380	1,447
Earnings per Share
Basic	$ 0.58	$ 0.75
Diluted	$ 0.58	$ 0.74