Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

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, 2021						Dec. 31, 2020
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	Book Value		Amortization		Value		Book Value		Amortization		Value
Customer relationships	$	1,690	$	530	$	1,160	$	1,744	$	485	$	1,259
Technology/technical know-how		1,273		545		728		1,284		488		796
Tradenames		767		190		577		767		166		601
Other		1,551		751		800		1,488		689		799
	$	5,281	$	2,016	$	3,265	$	5,283	$	1,828	$	3,455

Amortization Expense Charged to Income for Intangible Assets

Amortization expense charged to income was as follows:

(Stated in millions)
	2021		2020
Third Quarter	$	75	$	79
Nine Months	$	226	$	292