Incentive Program (Tables)

12 Months Ended

Dec. 31, 2018

Incentive Program [Abstract]

Summary Of Restricted Stock And Units Outstanding

	2018
		Weighted Average
		Grant-Date
Restricted stock and units outstanding	Shares	Fair Value per Share
	(thousands)	(dollars)
Issued and outstanding at January 1	41,078		86.34
2017 award issued in 2018	8,910		81.89
Vested	(9,347)		81.14
Forfeited	(260)		85.72
Issued and outstanding at December 31	40,381		86.56

Grant Value Of Restricted Stock Units

Value of restricted stock units	2018	2017	2016
Grant price (dollars)	77.66	81.89	87.70
Value at date of grant:	(millions of dollars)
Units settled in stock	620	667	771
Units settled in cash	61	63	69
Total value	681	730	840