Earnings Per Share - Reconciliation of Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Net Income Attributable to Schlumberger
Basic	$ 934	$ 510
Diluted	$ 934	$ 510
Average Shares Outstanding
Basic	1,426	1,412
Assumed exercise of stock options	2
Unvested restricted stock	18	22
Diluted	1,446	1,434
Earnings per Share
Basic	$ 0.65	$ 0.36
Diluted	$ 0.65	$ 0.36

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