XML 54 R28.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accounting Changes (Tables)
12 Months Ended
Dec. 31, 2018
New Accounting Pronouncements And Changes In Accounting Principles [Abstract]  
Accounting Changes
20172016
As ReportedChangeAs AdjustedAs ReportedChangeAs Adjusted
(millions of dollars)
Production and manufacturing expenses34,128(1,438)32,69031,927(1,479)30,448
Selling, general and administrative expenses10,956(307)10,64910,799(356)10,443
Non-service pension and postretirement benefit expense-1,7451,745-1,8351,835