-Network: (1000 - Consolidated Statements of Income)

-Consolidated Statements of Income {ID1}

-Statement [Table] {ID2}

-Statement [Line Items] {ID3}

-Revenue {ID4}

Health care premiums {ID5}

Other premiums {ID6}

Fees and other revenue (1) {ID7}

Net investment income {ID8}

Net realized capital gains (losses) {ID9}

Total revenue {ID10}

-Benefits and Expenses {ID11}

Health care costs (2) {ID12}

Current and future benefits {ID13}

-Operating Expenses {ID14}

Selling expenses {ID15}

General and administrative expenses {ID16}

Operating Expense {ID17}

Total operating expenses {ID18}

Interest expense {ID19}

Amortization of other acquired intangible assets {ID20}

Reduction of reserve for anticipated future losses on discontinued products {ID21}

Total benefits and expenses {ID22}

Income before income taxes {ID23}

-Income taxes (benefits): {ID24}

Current {ID25}

Deferred {ID26}

Total income taxes {ID27}

Income from continuing operations {ID28}

Income from discontinued operations {ID29}

Net income {ID30}

-Earnings Per Share, Basic {ID31}

Income from continuing operations {ID32}

Income from discontinued operations {ID33}

-Earnings Per Share, Diluted {ID34}

Income from continuing operations {ID35}

Income from discontinued operations {ID36}

-Earnings Per Share {ID37}

Basic {ID38}

Diluted {ID39}

-Network: (2000 - Consolidated Balance Sheets)

-Statement of Financial Position [Abstract] {ID40}

-Statement [Table] {ID41}

-Assets {ID42}

-Current Assets {ID43}

Cash and cash equivalents {ID44}

Investments {ID45}

Premiums receivable, net {ID46}

Other receivables, net {ID47}

Accrued investment income {ID48}

Collateral received under securities loan agreements {ID49}

Income taxes receivable {ID50}

Deferred income taxes {ID51}

Other current assets {ID52}

Total current assets {ID53}

Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures {ID54}

Long-term investments {ID55}

Reinsurance recoverables {ID56}

Goodwill {ID57}

Other acquired intangible assets, net {ID58}

Property and equipment, net {ID59}

Employee-related Liabilities {ID60}

Deferred income taxes {ID61}

Other long-term assets {ID62}

Separate Accounts assets {ID63}

Total assets {ID64}

-Liabilities and Shareholders' Equity {ID65}

-Current Liabilities {ID66}

Health care costs payable {ID67}

Future policy benefits {ID68}

Unpaid claims {ID69}

Unearned premiums {ID70}

Policyholders' funds {ID71}

Collateral payable under securities loan agreements {ID72}

Short-term debt {ID73}

Taxes Payable, Current {ID74}

Accrued expenses and other current liabilities {ID75}

Total current liabilities {ID76}

Future policy benefits {ID77}

Unpaid claims {ID78}

Policyholders' funds {ID79}

Long-Term Debt {ID80}

Taxes Payable {ID81}

Deferred income taxes {ID82}

Other long-term liabilities {ID83}

Separate Accounts liabilities {ID84}

Total liabilities {ID85}

Commitments and contingencies (Note 12) {ID86}

-Shareholders' Equity {ID87}

Common stock ($.01 par value; 2.7 billion shares authorized; 436.5 million and 456.3 million shares issued and outstanding in 2009 and 2008, respectively) and additional paid-in capital {ID88}

Retained earnings {ID89}

Accumulated other comprehensive loss {ID90}

Total shareholders' equity {ID91}

Total liabilities and shareholders' equity {ID92}

-Network: (2100 - Parenthetical Data For Consolidated Balance Sheets)

-Parenthetical Data For Consolidated Balance Sheets {ID93}

-Statement [Table] {ID94}

-Shareholders' Equity {ID95}

Common Stock, par value {ID96}

Common Stock, shares authorized {ID97}

Common Stock, shares issued and outstanding {ID98}

-Network: (3000 - Consolidated Statements of Shareholders' Equity)

-Consolidated Statements of Shareholders' Equity {ID99}

-Statement [Table] {ID100}

-Statement, Equity Components [Axis] {ID101}

-Equity Component [Domain] {ID102}

Number of Common Shares Outstanding {ID103}

Common Stock and Additional Paid in Capital {ID104}

Retained Earnings {ID105}

Accumulated Other Comprehensive Loss {ID106}

Comprehensive Income {ID107}

-Statement [Line Items] {ID108}

Beginning balance {ID109}

Shares, beginning balance {ID110}

Cumulative effect of new accounting standards {ID111}

-Comprehensive income: {ID112}

Net income {ID113}

-Other comprehensive income (loss) (Note 6): {ID114}

Net unrealized gains (losses) on securities {ID115}

Net foreign currency and derivative gains (losses) {ID116}

Pension and OPEB plans {ID117}

Other comprehensive income (losses) (Note 6) {ID118}

Total comprehensive income {ID119}

Adjustment to initially recognize the funded status of pension and OPEB plans {ID120}

-Common shares issued for benefit plans, including tax benefits {ID121}

Common shares issued for benefit plans, including tax benefits (in shares) {ID122}

-Repurchases of common shares {ID123}

Repurchases of common shares (in shares) {ID124}

-Dividends declared {ID125}

Dividends declared, per share {ID126}

Ending balance {ID127}

Shares, ending balance {ID128}

-Network: (4000 - Consolidated Statements of Cash Flows)

-Consolidated Statements of Cash Flows {ID129}

-Statement [Table] {ID130}

-Cash Flows From Operating Activities {ID131}

Net income {ID132}

-Adjustments to Reconcile Net Income To Net Cash Provided By Operating Activities {ID133}

Net realized capital (gains) losses {ID134}

Depreciation and amortization {ID135}

Equity in earnings of affiliates, net {ID136}

Stock-based compensation expense {ID137}

Physician class action settlement insurance-related charge {ID138}

(Accretion) amortization of net investment (discount) premium {ID139}

-Changes In Assets And Liabilities {ID140}

Accrued investment income {ID141}

Premiums due and other receivables {ID142}

Income taxes {ID143}

Discontinued operations {ID144}

Other assets and other liabilities {ID145}

Health care and insurance liabilities {ID146}

Health care and insurance liabilities {ID147}

Other, net {ID148}

Discontinued operations, net {ID149}

Net cash provided by operating activities {ID150}

Net cash used for operating activities {ID151}

-Cash Flows From Investing Activities {ID152}

Proceeds from sales and maturities of investments {ID153}

Cost of investments {ID154}

Proceeds from Dividends Received {ID155}

Increase in property, equipment and software {ID156}

Cash used for acquisition, net of cash acquired {ID157}

Net cash used for investing activities {ID158}

-Cash Flows From Financing Activities {ID159}

Proceeds from issuance of long-term debt, net of issuance costs {ID160}

Net (repayment) issuance of short-term debt {ID161}

Repayment of long-term debt {ID162}

Deposits and interest credited for investment contracts {ID163}

Withdrawals of investment contracts {ID164}

Common shares issued under benefit plans {ID165}

Stock-based compensation tax benefits {ID166}

Common shares repurchased {ID167}

Collateral on interest rate swaps {ID168}

Dividends paid to shareholders {ID169}

Other, net {ID170}

Net cash used for financing activities {ID171}

Net increase (decrease) in cash and cash equivalents {ID172}

Cash and cash equivalents, beginning of period {ID173}

Cash and cash equivalents, end of period {ID174}

-Supplemental Cash Flow Information {ID175}

Interest paid {ID176}

Income taxes paid {ID177}

Income taxes refunded {ID178}

-Network: (6000 - Organization)

-Organization {ID179}

Organization {ID180}

-Network: (6010 - Summary of Significant Accounting Policies)

-Summary Of Significant Accounting Policies {ID181}

Summary Of Significant Accounting Policies {ID182}

-Network: (6020 - Earnings Per Common Share)

-Earnings Per Common Share {ID183}

Earnings Per Share {ID184}

-Network: (6030 - Operating Expenses)

-Operating Expenses {ID185}

Operating Expense {ID186}

-Network: (6040 - Investments)

-Investments {ID187}

Investments {ID188}

-Network: (6050 - Other Comprehensive (Loss) Income)

-Other Comprehensive Loss Income {ID189}

Other Comprehensive Income {ID190}

-Network: (6060 - Employee Benefit Plans)

-Employee Benefit Plans {ID191}

Employee Benefit Plan {ID192}

-Network: (6070 - Debt)

-Debt {ID193}

Debt {ID194}

-Network: (6080 - Capital Stock)

-Capital Stock {ID195}

Capital Stock {ID196}

-Network: (6090 - Dividend Restrictions and Statutory Surplus)

-Dividend Restrictions And Statutory Surplus {ID197}

Dividend Restrictions {ID198}

-Network: (6100 - Financial Instruments)

-Financial Instruments {ID199}

Financial Instruments {ID200}

-Network: (6110 - Commitments and Contingencies)

-Commitments And Contingencies {ID201}

Commitment and Contingencies {ID202}

-Network: (6120 - Segment Information)

-Segment Information {ID203}

Segment Information {ID204}

-Network: (6130 - Discontinued Products )

-Discontinued Products {ID205}

Discontinued Products {ID206}

-Network: (6140 - Acquisition)

-Acquisition {ID207}

Acquisition {ID208}

-Network: (6150 - Audit Opinion)

-Audit Opinion {ID209}

Audit Opinion {ID210}

-Network: (995200 - Document - Document Information)

-Document Information [Line Items] {ID211}

Document Type {ID212}

Document Period End Date {ID213}

Amendment Flag {ID214}

Amendment Description {ID215}

-Network: (995400 - Document - Entity Information)

-Entity Information [Line Items] {ID216}

Entity Registrant Name {ID217}

Entity Central Index Key {ID218}

Current Fiscal Year End Date {ID219}

Entity Well-known Seasoned Issuer {ID220}

Entity Voluntary Filers {ID221}

Entity Current Reporting Status {ID222}

Entity Filer Category {ID223}

Entity Public Float {ID224}

Entity Common Stock, Shares Outstanding {ID225}

AETNA INC XBRL Taxonomy Presentation Networks