Intangible Assets (Tables)

6 Months Ended

Jun. 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)
	Jun. 30, 2017						Dec. 31, 2016
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	BookValue		Amortization		Value		Book Value		Amortization		Value
Customer relationships	$	4,944	$	985	$	3,959	$	4,938	$	865	$	4,073
Technology/technical know-how		3,664		960		2,704		3,655		835		2,820
Tradenames		2,847		511		2,336		2,847		458		2,389
Other		1,222		585		637		1,122		549		573
	$	12,677	$	3,041	$	9,636	$	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
Second Quarter	$	167	$	160
Six Months	$	336	$	249