Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Earnings Per Share Computation

Earnings per common share	2017	2016	2015
Net income attributable to ExxonMobil(millions of dollars)	19,710	7,840	16,150
Weighted average number of common shares outstanding(millions of shares)	4,256	4,177	4,196
Earnings per common share(dollars) (1)	4.63	1.88	3.85
Dividends paid per common share (dollars)	3.06	2.98	2.88

(1)The earnings per common share and earnings per common share - assuming dilution are the same in each period shown.