0 0 14 0 0 14

xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc us-gaap:OperatingExpenses c00036 u000 Total operating expenses 1575500000 1575500000 1599400000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 847 /xbrl/us-gaap:OperatingExpenses[1] 1575500000 us-gaap:AmortizationOfIntangibleAssets c00036 u000 Amortization of other acquired intangible assets 23900000 23900000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 559 /xbrl/us-gaap:AmortizationOfIntangibleAssets[1] 23900000 us-gaap:SellingExpense c00036 u000 Selling expenses 312200000 312200000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 1035 /xbrl/us-gaap:SellingExpense[1] 312200000 us-gaap:GeneralAndAdministrativeExpense c00036 u000 General and administrative expenses 1263300000 1263300000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 709 /xbrl/us-gaap:GeneralAndAdministrativeExpense[1] 1263300000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc us-gaap:OperatingExpenses c00037 u000 Total operating expenses 1434700000 1434700000 1460100000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 849 /xbrl/us-gaap:OperatingExpenses[2] 1434700000 us-gaap:AmortizationOfIntangibleAssets c00037 u000 Amortization of other acquired intangible assets 25400000 25400000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 561 /xbrl/us-gaap:AmortizationOfIntangibleAssets[2] 25400000 us-gaap:SellingExpense c00037 u000 Selling expenses 282200000 282200000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 1037 /xbrl/us-gaap:SellingExpense[2] 282200000 us-gaap:GeneralAndAdministrativeExpense c00037 u000 General and administrative expenses 1152500000 1152500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 711 /xbrl/us-gaap:GeneralAndAdministrativeExpense[2] 1152500000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc us-gaap:OperatingExpenses c00012 u000 Total operating expenses 4591800000 4591800000 4664700000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 851 /xbrl/us-gaap:OperatingExpenses[3] 4591800000 us-gaap:AmortizationOfIntangibleAssets c00012 u000 Amortization of other acquired intangible assets 72900000 72900000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 563 /xbrl/us-gaap:AmortizationOfIntangibleAssets[3] 72900000 us-gaap:SellingExpense c00012 u000 Selling expenses 938500000 938500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 1039 /xbrl/us-gaap:SellingExpense[3] 938500000 us-gaap:GeneralAndAdministrativeExpense c00012 u000 General and administrative expenses 3653300000 3653300000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 713 /xbrl/us-gaap:GeneralAndAdministrativeExpense[3] 3653300000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc us-gaap:OperatingExpenses c00006 u000 Total operating expenses 4233600000 4233600000 4314100000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 853 /xbrl/us-gaap:OperatingExpenses[4] 4233600000 us-gaap:AmortizationOfIntangibleAssets c00006 u000 Amortization of other acquired intangible assets 80500000 80500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 565 /xbrl/us-gaap:AmortizationOfIntangibleAssets[4] 80500000 us-gaap:SellingExpense c00006 u000 Selling expenses 861600000 861600000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 1041 /xbrl/us-gaap:SellingExpense[4] 861600000 us-gaap:GeneralAndAdministrativeExpense c00006 u000 General and administrative expenses 3372000000 3372000000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 715 /xbrl/us-gaap:GeneralAndAdministrativeExpense[4] 3372000000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:IncomeBeforeIncomeTax c00036 u000 Income before income tax 478300000 478300000 16966500000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 701 /xbrl/aet:IncomeBeforeIncomeTax[1] 478300000 us-gaap:Revenues c00036 u000 Total revenue 8722400000 8722400000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 855 /xbrl/us-gaap:Revenues[1] 8722400000 aet:TotalBenefitsAndExpenses c00036 u000 Total benefits and expenses 8244100000 8244100000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 793 /xbrl/aet:TotalBenefitsAndExpenses[1] 8244100000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:IncomeBeforeIncomeTax c00037 u000 Income before income tax 422700000 422700000 14826500000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 703 /xbrl/aet:IncomeBeforeIncomeTax[2] 422700000 us-gaap:Revenues c00037 u000 Total revenue 7624600000 7624600000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 857 /xbrl/us-gaap:Revenues[2] 7624600000 aet:TotalBenefitsAndExpenses c00037 u000 Total benefits and expenses 7201900000 7201900000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 795 /xbrl/aet:TotalBenefitsAndExpenses[2] 7201900000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:IncomeBeforeIncomeTax c00012 u000 Income before income tax 1662600000 1662600000 50353200000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 705 /xbrl/aet:IncomeBeforeIncomeTax[3] 1662600000 us-gaap:Revenues c00012 u000 Total revenue 26007900000 26007900000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 859 /xbrl/us-gaap:Revenues[3] 26007900000 aet:TotalBenefitsAndExpenses c00012 u000 Total benefits and expenses 24345300000 24345300000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 797 /xbrl/aet:TotalBenefitsAndExpenses[3] 24345300000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:IncomeBeforeIncomeTax c00006 u000 Income before income tax 1819100000 1819100000 44563700000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 707 /xbrl/aet:IncomeBeforeIncomeTax[4] 1819100000 us-gaap:Revenues c00006 u000 Total revenue 23191400000 23191400000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 861 /xbrl/us-gaap:Revenues[4] 23191400000 aet:TotalBenefitsAndExpenses c00006 u000 Total benefits and expenses 21372300000 21372300000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 799 /xbrl/aet:TotalBenefitsAndExpenses[4] 21372300000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:TotalBenefitsAndExpenses c00036 u000 Total benefits and expenses 8244100000 8244100000 8220200000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 793 /xbrl/aet:TotalBenefitsAndExpenses[1] 8244100000 us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare c00036 u000 Health care costs (2) 6069600000 6069600000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml i5 1043 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare[1] 6069600000 us-gaap:PolicyholderBenefitsAndClaimsIncurredNet c00036 u000 Current and future benefits 514500000 514500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 971 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredNet[1] 514500000 us-gaap:OperatingExpenses c00036 u000 Total operating expenses 1575500000 1575500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 847 /xbrl/us-gaap:OperatingExpenses[1] 1575500000 us-gaap:InterestExpense c00036 u000 Interest expense 60600000 60600000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 935 /xbrl/us-gaap:InterestExpense[1] 60600000 aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts c00036 u000 Reduction of reserve for anticipated future losses on discontinued products 0 0 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 801 /xbrl/aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts[1] 0 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:TotalBenefitsAndExpenses c00037 u000 Total benefits and expenses 7201900000 7201900000 7176500000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 795 /xbrl/aet:TotalBenefitsAndExpenses[2] 7201900000 us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare c00037 u000 Health care costs (2) 5216600000 5216600000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml i6 1045 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare[2] 5216600000 us-gaap:PolicyholderBenefitsAndClaimsIncurredNet c00037 u000 Current and future benefits 464700000 464700000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 973 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredNet[2] 464700000 us-gaap:OperatingExpenses c00037 u000 Total operating expenses 1434700000 1434700000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 849 /xbrl/us-gaap:OperatingExpenses[2] 1434700000 us-gaap:InterestExpense c00037 u000 Interest expense 60500000 60500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 937 /xbrl/us-gaap:InterestExpense[2] 60500000 aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts c00037 u000 Reduction of reserve for anticipated future losses on discontinued products 0 0 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 803 /xbrl/aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts[2] 0 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:TotalBenefitsAndExpenses c00012 u000 Total benefits and expenses 24345300000 24345300000 24272400000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 797 /xbrl/aet:TotalBenefitsAndExpenses[3] 24345300000 us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare c00012 u000 Health care costs (2) 17976200000 17976200000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml i7 1047 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare[3] 17976200000 us-gaap:PolicyholderBenefitsAndClaimsIncurredNet c00012 u000 Current and future benefits 1521600000 1521600000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 975 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredNet[3] 1521600000 us-gaap:OperatingExpenses c00012 u000 Total operating expenses 4591800000 4591800000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 851 /xbrl/us-gaap:OperatingExpenses[3] 4591800000 us-gaap:InterestExpense c00012 u000 Interest expense 182800000 182800000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 939 /xbrl/us-gaap:InterestExpense[3] 182800000 aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts c00012 u000 Reduction of reserve for anticipated future losses on discontinued products 0 0 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 805 /xbrl/aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts[3] 0 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

1000 - Statement - Consolidated Statements of Income http://aetna.com/role/ConsolidatedStatementsOfIncome http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc aet:TotalBenefitsAndExpenses c00006 u000 Total benefits and expenses 21372300000 21372300000 21291800000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 799 /xbrl/aet:TotalBenefitsAndExpenses[4] 21372300000 us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare c00006 u000 Health care costs (2) 15456100000 15456100000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml i8 1049 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredHealthCare[4] 15456100000 us-gaap:PolicyholderBenefitsAndClaimsIncurredNet c00006 u000 Current and future benefits 1474400000 1474400000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 977 /xbrl/us-gaap:PolicyholderBenefitsAndClaimsIncurredNet[4] 1474400000 us-gaap:OperatingExpenses c00006 u000 Total operating expenses 4233600000 4233600000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 853 /xbrl/us-gaap:OperatingExpenses[4] 4233600000 us-gaap:InterestExpense c00006 u000 Interest expense 171500000 171500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 941 /xbrl/us-gaap:InterestExpense[4] 171500000 aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts c00006 u000 Reduction of reserve for anticipated future losses on discontinued products -43800000 -43800000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 807 /xbrl/aet:ReductionOfReserveForAnticipatedFutureLossesOnDiscontinuedProducts[4] -43800000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

4000 - Statement - Consolidated Statements of Cash Flows http://aetna.com/role/ConsolidatedStatementsOfCashFlows http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease c00012 u000 Net increase (decrease) in cash and cash equivalents 650600000 650600000 -1205200000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 441 /xbrl/us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease[1] 650600000 us-gaap:NetCashProvidedByUsedInInvestingActivities c00012 u000 Net cash used for investing activities -485000000 -485000000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 843 /xbrl/us-gaap:NetCashProvidedByUsedInInvestingActivities[1] -485000000 us-gaap:NetCashProvidedByUsedInFinancingActivities c00012 u000 Net cash used for financing activities -720200000 -720200000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 615 /xbrl/us-gaap:NetCashProvidedByUsedInFinancingActivities[1] -720200000 xbrl21e:SummationItemValidationSignal INCONSISTENCY Calculation inconsistency

5.2.5

4000 - Statement - Consolidated Statements of Cash Flows http://aetna.com/role/ConsolidatedStatementsOfCashFlows http://www.xbrl.org/2003/arcrole/summation-item link:calculationArc us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease c00006 u000 Net increase (decrease) in cash and cash equivalents -389800000 -389800000 -2142200000 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 443 /xbrl/us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease[2] -389800000 us-gaap:NetCashProvidedByUsedInInvestingActivities c00006 u000 Net cash used for investing activities -1356700000 -1356700000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 845 /xbrl/us-gaap:NetCashProvidedByUsedInInvestingActivities[2] -1356700000 us-gaap:NetCashProvidedByUsedInFinancingActivities c00006 u000 Net cash used for financing activities -785500000 -785500000 1 http://www.sec.gov/Archives/edgar/data/1122304/000112230409000105/aet-20090930.xml 617 /xbrl/us-gaap:NetCashProvidedByUsedInFinancingActivities[2] -785500000