CONSOLIDATED STATEMENT OF INCOME (LOSS) (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue
Total Revenue	$ 8,541	$ 8,504	$ 24,689	$ 24,636
Interest & other income	21	36	61	118
Expenses
Research & engineering	176	177	527	524
General & administrative	120	105	345	330
Impairments & other	12,692		12,692	184
Interest	160	147	462	434
Income (loss) before taxes	(11,971)	787	(10,870)	1,976
Tax expense (benefit)	(598)	129	(420)	348
Net income (loss)	(11,373)	658	(10,450)	1,628
Net income attributable to noncontrolling interests	10	14	20	29
Net income (loss) attributable to Schlumberger	$ (11,383)	$ 644	$ (10,470)	$ 1,599
Basic earnings (loss) per share of Schlumberger	$ (8.22)	$ 0.46	$ (7.56)	$ 1.15
Diluted earnings (loss) per share of Schlumberger	$ (8.22)	$ 0.46	$ (7.56)	$ 1.15
Average shares outstanding:
Basic	1,385	1,385	1,385	1,385
Assuming dilution	1,385	1,392	1,385	1,393
Services
Revenue
Total Revenue	$ 6,332	$ 6,345	$ 18,390	$ 18,222
Expenses
Cost of services and sales	5,371	5,336	15,794	15,414
Product
Revenue
Total Revenue	2,209	2,159	6,299	6,414
Expenses
Cost of services and sales	$ 2,014	$ 1,988	$ 5,800	$ 5,892