XML 55 R41.htm IDEA: XBRL DOCUMENT v3.20.4

Short-Term Deposits and Marketable Securities (Tables)

12 Months Ended

Dec. 31, 2020

Investments Debt And Equity Securities [Abstract]

Changes in Value of Marketable Securities Reported in Current Assets on Consolidated Balance Sheets

To optimize the return yield on its short-term investments, the Company invested $581 million of available cash in short-term deposits as at December 31, 2020. These short-term deposits represent cash equivalents with original maturity beyond three months and no significant risk of changes in fair value.

Changes in the fair value of marketable securities, as reported in current assets on the consolidated balance sheets as at December 31, 2020 and December 31, 2019 are detailed in the tables below:

		December 31, 2019				Purchase				Proceeds at maturity				Change in fair value included in OCI*				Change in fair value recognized in earnings				December 31, 2020
U.S. Treasury debt securities			133				—				—				—				—				133
Total			133				—				—				—				—				133

* Other Comprehensive Income

		December 31, 2018				Purchase				Proceeds at maturity				Change in fair value included in OCI*				Change in fair value recognized in earnings				December 31, 2019
U.S. Treasury debt securities			330				—				(200	)			3				—				133
Total			330				—				(200	)			3				—				133

* Other Comprehensive Income

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

No definition available.

+ Details

Name:	us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration