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CONSOLIDATED STATEMENT OF INCOME (LOSS) - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenue      
Total Revenue $ 22,929 $ 23,601 $ 32,917
Interest & other income 148 163 86
Gains on sales of businesses   104 247
Expenses      
Research & engineering 554 580 717
General & administrative 339 365 474
Impairments & other   12,658 13,148
Interest 539 563 609
Income (loss) before taxes 2,374 (11,298) (10,418)
Tax expense (benefit) 446 (812) (311)
Net income (loss) 1,928 (10,486) (10,107)
Net income attributable to noncontrolling interests 47 32 30
Net income (loss) attributable to Schlumberger $ 1,881 $ (10,518) $ (10,137)
Basic earnings (loss) per share of Schlumberger $ 1.34 $ (7.57) $ (7.32)
Diluted earnings (loss) per share of Schlumberger $ 1.32 $ (7.57) $ (7.32)
Average shares outstanding:      
Basic 1,400 1,390 1,385
Assuming dilution 1,427 1,390 1,385
Services      
Revenue      
Total Revenue $ 15,602 $ 16,533 $ 24,358
Expenses      
Cost of services and sales 13,129 14,675 20,828
Product      
Revenue      
Total Revenue 7,327 7,068 8,559
Expenses      
Cost of services and sales $ 6,142 $ 6,325 $ 7,892