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Derivative Instruments and Hedging Activities (Tables)
 12 Months Ended
Dec. 31, 2020
Derivative Instruments And Hedging Activities Disclosure [Abstract]  
Effect of Derivative Instruments Designated as Fair Value Hedges and Not Designated as Hedges on Consolidated Statement of Income (Loss)

The effect of derivative instruments designated as hedges and those not designated as hedges on the Consolidated Statement of Income (Loss) was as follows:

 

 

 

 

 

 

 

(Stated in millions)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gain (Loss) Recognized in Income (Loss)

 

 

Consolidated Statement

 

2020

 

 

2019

 

 

2018

 

 

 of Income (Loss) Classification

Derivatives designated as cash flow hedges:

 

 

 

 

 

 

 

 

 

 

 

 

 

Cross currency swap

$

493

 

 

$

(35

)

 

$

55

 

 

Cost of services/sales

Foreign exchange contracts

 

(5

)

 

 

(10

)

 

 

(1

)

 

Cost of services/sales

 

$

488

 

 

$

(45

)

 

$

54

 

 

 

Derivatives not designated as hedges:

 

 

 

 

 

 

 

 

 

 

 

 

 

Foreign exchange contracts

$

(29

)

 

$

(5

)

 

$

40

 

 

Cost of services/sales