Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets by Major Class

The gross book value, accumulated amortization and net book value of intangible assets were as follows:

	(Stated in millions)
	Jun. 30, 2018						Dec. 31, 2017
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	BookValue		Amortization		Value		Book Value		Amortization		Value
Customer relationships	$	4,814	$	1,129	$	3,685	$	4,832	$	1,020	$	3,812
Technology/technical know-how		3,578		1,137		2,441		3,634		1,078		2,556
Tradenames		2,806		584		2,222		2,806		533		2,273
Other		1,325		581		744		1,295		582		713
	$	12,523	$	3,431	$	9,092	$	12,567	$	3,213	$	9,354

Amortization Expense Charged to Income for Intangible Assets

Amortization expense charged to income was as follows:

(Stated in millions)
	2018		2017
Second Quarter	$	174	$	167
Six Months	$	339	$	336