XML 171 R110.htm IDEA: XBRL DOCUMENT v2.4.0.6

Directors Affected by GF Management Scheme Modification (Detail) (GF Management Incentive Scheme, ZAR)	Dec. 31, 2011 Year	Dec. 31, 2010	Jun. 30, 2010	Jun. 30, 2009	Jun. 30, 2008
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options	311,225	976,533	1,352,633	2,304,421	4,212,219
Contractual life extended by (years)	0.31
Nicholas J. Holland
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options		191,500	13,334	172,499
Weighted average price (Rand)		75.44	46.23	76.59
Contractual life extended by (years)		0.80	0.87	0.38
Paul Schmidt
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options		15,934
Weighted average price (Rand)		74.75
Contractual life extended by (years)		0.64
Kofi Ansah
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options		6,700		6,700
Weighted average price (Rand)		68.59		68.59
Contractual life extended by (years)		0.50		0.39
Rupert L. Pennant-Rea
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options		20,000	5,000	25,000
Weighted average price (Rand)		78.49	110.03	84.79
Contractual life extended by (years)		0.50	0.71	0.39
Chris I. Von Christierson
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options		10,000	10,000	20,000
Weighted average price (Rand)		88.38	110.03	99.21
Contractual life extended by (years)		0.50	0.71	0.39
Alan J. Wright
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options			10,000	55,000
Weighted average price (Rand)			110.03	68.41
Contractual life extended by (years)			0.71	0.39
Terence P. Goodlace
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of options				3,167
Weighted average price (Rand)				154.65
Contractual life extended by (years)				0.01

X

- Details

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

X

- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

-SubTopic 10

-Topic 718

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant