Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets by Major Class

A summary of intangible assets follows:

	(Stated in millions)
	2017						2016
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	BookValue		Amortization		Value		Book Value		Amortization		Value
Customer Relationships	$	4,832	$	1,020	$	3,812	$	4,938	$	865	$	4,073
Technology/Technical Know-How		3,634		1,078		2,556		3,655		835		2,820
Tradenames		2,806		533		2,273		2,847		458		2,389
Other		1,295		582		713		1,122		549		573
	$	12,567	$	3,213	$	9,354	$	12,562	$	2,707	$	9,855