2.2.0.7 false Recent Developments 01060 - Disclosure - Recent Developments true false false false 1 USD false false Monetary Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 EarninsPerShareUSD Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Subsequent Events Abstract 0 au_SubsequentEventsAbstract au false na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Subsequent Events 1 us-gaap_ScheduleOfSubsequentEventsTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 Announcements made after June 30, 2010:On February 17, 2009, AngloGold Ashanti announced the terms of the sale of its Tau Lekoa mine together with the adjacent properties of Weltevreden, Jonkerskraal and Goedgenoeg ("Tau Lekoa") to Simmer & Jack Mines Limited ("Simmers").  The sale was concluded effective August 1, 2010, following the transfer of the mineral rights of Tau Lekoa to Buffelsfontein Gold Mines Limited, a wholly-owned subsidiary of Simmers, on July 20, 2010.  Tau Lekoa is classified as held for sale in the balance sheets as at June 30, 2010 and December 31, 2009. The selling price of R600 million is payable in two tranches, R450 million was paid in cash on August 4, 2010 with the remaining R150 million payable either in cash or Simmers shares and is subject to offset adjustments in respect of the free cash flow generated by Tau Lekoa during the period January 1, 2009 to July 31, 2010, up to a maximum of R150 million and any offset for royalty payable during the period January 1, 2010 to June 30, 2010. This balancing amount will be determined based upon a final audit of the July 2010 production figures. Announcements made after June 30, 2010:On February 17, 2009, AngloGold Ashanti announced the terms of the sale of its Tau Lekoa mine together with the adjacent false false false us-types:textBlockItemType textblock Describes disclosed significant events or transactions that occurred after the balance sheet date, but before the issuance of the financial statements. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, losses resulting from fire or flood, losses on receivables, significant realized and unrealized gains and losses that result from changes in quoted market prices of securities, declines in market prices of inventory, changes in authorized or issued debt (SEC), significant foreign exchange rate changes, substantial loans to insiders or affiliates, significant long-term investments, and substantial dividends not in the ordinary course of business. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 11 false 1 2 false UnKnown UnKnown UnKnown false true