CONSOLIDATED STATEMENT OF INCOME (LOSS) (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue
Total Revenue	$ 5,356	$ 8,269	$ 12,811	$ 16,149
Interest & other income	33	25	72	39
Expenses
Research & engineering	142	179	315	351
General & administrative	81	114	208	225
Impairments & other	3,724		12,247
Interest	144	156	281	302
Income (loss) before taxes	(3,627)	593	(11,716)	1,101
Tax expense (benefit)	(199)	99	(920)	178
Net income (loss)	(3,428)	494	(10,796)	923
Net income attributable to noncontrolling interests	6	2	14	10
Net income (loss) attributable to Schlumberger	$ (3,434)	$ 492	$ (10,810)	$ 913
Basic earnings (loss) per share of Schlumberger	$ (2.47)	$ 0.36	$ (7.79)	$ 0.66
Diluted earnings (loss) per share of Schlumberger	$ (2.47)	$ 0.35	$ (7.79)	$ 0.65
Average shares outstanding:
Basic	1,388	1,384	1,388	1,385
Assuming dilution	1,388	1,395	1,388	1,396
Services
Revenue
Total Revenue	$ 3,721	$ 6,153	$ 9,147	$ 12,059
Expenses
Cost of services and sales	3,383	5,308	8,109	10,422
Product
Revenue
Total Revenue	1,635	2,116	3,664	4,090
Expenses
Cost of services and sales	$ 1,542	$ 1,944	$ 3,439	$ 3,787