Derivative Instruments and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Effect of Derivative Instruments Designated as Fair Value and Cash Flow Hedges and Not Designated as Hedges on Consolidated Statement of Income

The effect of derivative instruments designated as fair value and cash flow hedges, and those not designated as hedges, on the Consolidated Statement of Income was as follows:

							(Stated in millions)
	Gain (Loss) Recognized in Income
	Third Quarter						Nine Months
	2018			2017			2018			2017			Consolidated Statement of Income Classification
Derivatives designated as fair value hedges:
Cross currency swap	$	6		$	19		$	(6	)	$	66		Interest expense
Derivatives designated as cash flow hedges:
Foreign exchange contracts	$	(2	)	$	-		$	3		$	-		Cost of services/sales
Cross currency swap		(30	)		-			25			-		Interest expense
	$	(32	)	$	-		$	28		$	-
Derivatives not designated as hedges:
Foreign exchange contracts	$	(17	)	$	(10	)	$	15		$	(3	)	Cost of services/sales