Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2019

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, 2019						Dec. 31, 2018
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	Book Value		Amortization		Value		Book Value		Amortization		Value
Customer relationships	$	3,859	$	853	$	3,006	$	4,768	$	1,243	$	3,525
Technology/technical know-how		2,526		735		1,791		3,494		1,246		2,248
Tradenames		1,911		248		1,663		2,799		628		2,171
Other		1,432		610		822		1,404		621		783
	$	9,728	$	2,446	$	7,282	$	12,465	$	3,738	$	8,727

Amortization Expense Charged to Income for Intangible Assets

Amortization expense charged to income was as follows:

(Stated in millions)
	2019		2018
Third Quarter	$	156	$	167
Nine Months	$	480	$	506