Investments (Details 6) (AIA Group Limited (AIA), USD $) In Billions, unless otherwise specified	Jun. 30, 2011
AIA Group Limited (AIA)
Other Invested Assets - Equity Method Investments
Percentage of equity method investments which is accounted under fair value option (as a percent)	33.00%
Equity method investments, Carrying Value	$ 13.7

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aig_EquityMethodInvestmentAccountedUnderFairValueOptionOwnershipPercentage

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aig

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num:percentItemType

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na

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instant