XML 419 R109.htm IDEA: XBRL DOCUMENT v3.22.1

Share-Based Payments - Summary of Fair Value of Equity Instruments Granted (Detail) (Detail) - Performance Shares (PS) - Gold Fields Limited 2012 share plan amended - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Monte Carlo simulation
– weighted average historical volatility (based on a statistical analysis of the share price on a weighted moving average basis for the expected term of the option)	63.60%	58.40%	44.70%
– expected term (years)	3 years	3 years	3 years
– average three-year risk free interest rate (based on US interest rates)	1.20%	0.30%	1.40%
– weighted average fair value (United States dollars)	$ 10.3	$ 6.4	$ 5.7

X

- Definition

Expected term in years share options granted.

+ References

No definition available.

+ Details

Name:	gfi_ExpectedTermInYearsShareOptionsGranted
Namespace Prefix:	gfi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise).

+ References

No definition available.

+ Details

Name:	gfi_RiskFreeInterestRateShareOptionsGranted
Namespace Prefix:	gfi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share based compensation arrangement by share based payment award fair value of equity instruments methodology.

+ References

No definition available.

+ Details

Name:	gfi_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueOfEquityInstrumentsMethodologyAbstract
Namespace Prefix:	gfi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share based compensation arrangement by share based payment award fair value of equity instruments weighted average fair value.

+ References

No definition available.

+ Details

Name:	gfi_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueOfEquityInstrumentsWeightedAverageFairValue
Namespace Prefix:	gfi_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 47
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_a_i&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=gfi_PerformanceShares1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	gfi_PlanName1Axis=gfi_GoldFieldsLimited2012SharePlanAmendedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: