CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 919	$ 562	$ 2,410	$ 1,317
Currency translation adjustments
Unrealized net change arising during the period	(18)	30	92	6
Cash flow hedges
Net gain (loss) on cash flow hedges	45	(9)	(53)	13
Reclassification to net income of net realized (gain) loss	30	(2)	103	(7)
Pension and other postretirement benefit plans
Amortization to net income of net actuarial loss	16	69	46	202
Amortization to net income of net prior service credit	(6)	(6)	(17)	(17)
Income taxes on pension and other postretirement benefit plans	1	(3)	3	(6)
Other				(4)
Comprehensive income	987	641	2,584	1,504
Comprehensive income attributable to noncontrolling interests	12	12	33	37
Comprehensive income attributable to Schlumberger	$ 975	$ 629	$ 2,551	$ 1,467