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Earnings Per Share - Reconciliation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net Income Attributable to Schlumberger
Basic	$ 1,068	$ 934
Diluted	$ 1,068	$ 934
Average Shares Outstanding
Basic	1,431	1,426
Assumed exercise of stock options	1	2
Unvested restricted stock	15	18
Diluted	1,447	1,446
Earnings per Share
Basic	$ 0.75	$ 0.65
Diluted	$ 0.74	$ 0.65

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