Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

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)
	Sept. 30, 2017						Dec. 31, 2016
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	BookValue		Amortization		Value		Book Value		Amortization		Value
Customer relationships	$	4,969	$	1,053	$	3,916	$	4,938	$	865	$	4,073
Technology/technical know-how		3,661		1,019		2,642		3,655		835		2,820
Tradenames		2,847		537		2,310		2,847		458		2,389
Other		1,284		612		672		1,122		549		573
	$	12,761	$	3,221	$	9,540	$	12,562	$	2,707	$	9,855

Amortization Expense Charged to Income for Intangible Assets

Amortization expense charged to income was as follows:

(Stated in millions)
	2017		2016
Third Quarter	$	165	$	156
Nine Months	$	501	$	405