-Network: (00 - Document - Document and Company Information)

-Document And Company Information [Abstract] {ID1}

Entity Registrant Name {ID2}

Entity Central Index Key {ID3}

Document Type {ID4}

Document Period End Date {ID5}

Amendment Flag {ID6}

Current Fiscal Year End Date {ID7}

Entity Well-known Seasoned Issuer {ID8}

Entity Voluntary Filers {ID9}

Entity Current Reporting Status {ID10}

Entity Filer Category {ID11}

Entity Public Float {ID12}

Entity Common Stock, Shares Outstanding {ID13}

-Network: (01 - Statement - Consolidated Balance Sheets)

-Balance Sheets [Abstract] {ID14}

-Statement [Table] {ID15}

-Statement [Line Items] {ID16}

-ASSETS {ID17}

-Current assets: {ID18}

Cash and cash equivalents {ID19}

Accounts receivable, less allowances for returns and doubtful accounts: $374,672 at June 30, 2009 and $393,714 at September 30, 2008 {ID20}

Merchandise inventories {ID21}

Prepaid expenses and other {ID22}

Assets held for sale {ID23}

Total current assets {ID24}

-Property and equipment, at cost: {ID25}

Land {ID26}

Buildings and improvements {ID27}

Machinery, equipment and other {ID28}

Total property and equipment {ID29}

Less accumulated depreciation {ID30}

Property and equipment, net {ID31}

Goodwill and other intangible assets {ID32}

Other assets {ID33}

TOTAL ASSETS {ID34}

-LIABILITIES AND STOCKHOLDERS' EQUITY {ID35}

-Current liabilities: {ID36}

Accounts payable {ID37}

Accrued expenses and other {ID38}

Current portion of long-term debt {ID39}

Deferred income taxes {ID40}

Liabilities held for sale {ID41}

Total current liabilities {ID42}

Long-term debt, net of current portion {ID43}

Other liabilities {ID44}

-Stockholders' equity: {ID45}

Common stock, $0.01 par value - authorized: 600,000,000 shares; issued and outstanding: 482,051,245 shares and 297,068,151 shares at June 30, 2009, respectively, and 481,154,164 shares and 312,430,920 shares at September 30, 2008, respectively {ID46}

Additional paid-in capital {ID47}

Retained earnings {ID48}

Accumulated other comprehensive loss {ID49}

Treasury stock, at cost: 184,983,094 shares at June 30, 2009 and 168,723,244 shares at September 30, 2008 {ID50}

Total stockholders' equity {ID51}

TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY {ID52}

-Network: (011 - Statement - Consolidated Balance Sheets (Parenthetical))

-Balance Sheets (Parenthetical) [Abstract] {ID53}

-Statement [Table] {ID54}

-Statement [Line Items] {ID55}

Allowances for returns and doubtful accounts {ID56}

Common stock, par value {ID57}

Common stock, shares authorized {ID58}

Common stock, shares issued {ID59}

Common stock, shares outstanding {ID60}

Treasury stock, shares held {ID61}

-Network: (02 - Statement - Consolidated Statements of Operations)

-Statements of Operations [Abstract] {ID62}

-Statement [Table] {ID63}

-Statement [Line Items] {ID64}

Operating revenue {ID65}

Bulk deliveries to customer warehouses {ID66}

Total revenue {ID67}

Cost of goods sold {ID68}

Gross profit {ID69}

-Operating expenses: {ID70}

Distribution, selling, and administrative {ID71}

Depreciation {ID72}

Amortization {ID73}

Facility consolidations, employee severance and other {ID74}

Intangible asset impairments {ID75}

Operating income {ID76}

Other loss {ID77}

Interest expense, net {ID78}

Income from continuing operations before income taxes {ID79}

Income taxes {ID80}

Income from continuing operations {ID81}

Loss from discontinued operations, net of income taxes {ID82}

Net income (loss) {ID83}

-Earnings per share: {ID84}

-Basic earnings (loss) per share: {ID85}

Continuing operations {ID86}

Discontinued operations {ID87}

Total {ID88}

-Diluted earnings (loss) per share: {ID89}

Continuing operations {ID90}

Discontinued operations {ID91}

Total {ID92}

-Weighted average common shares outstanding: {ID93}

Basic {ID94}

Diluted {ID95}

Cash dividends declared per share of common stock {ID96}

-Network: (03 - Statement - Consolidated Statements of Cash Flows)

-Statements of Cash Flows [Abstract] {ID97}

-Statement [Table] {ID98}

-Statement [Line Items] {ID99}

-OPERATING ACTIVITIES {ID100}

Net income {ID101}

Loss from discontinued operations {ID102}

Income from continuing operations {ID103}

-Adjustments to reconcile income from continuing operations to net cash provided by operating activities: {ID104}

Depreciation, including amounts charged to cost of goods sold {ID105}

Amortization, including amounts charged to interest expense {ID106}

Provision for doubtful accounts {ID107}

Provision for deferred income taxes {ID108}

Share-based compensation {ID109}

Loss on disposal of property and equipment {ID110}

Other, including intangible asset impairments {ID111}

-Changes in operating assets and liabilities, excluding the effects of acquisitions and dispositions: {ID112}

Accounts receivable {ID113}

Merchandise inventories {ID114}

Prepaid expenses and other assets {ID115}

Accounts payable, accrued expenses and income taxes {ID116}

Other liabilities {ID117}

Net cash provided by operating activities - continuing operations {ID118}

Net cash (used in) provided by operating activities - discontinued operations {ID119}

NET CASH PROVIDED BY OPERATING ACTIVITIES {ID120}

-INVESTING ACTIVITIES {ID121}

Capital expenditures {ID122}

Cost of acquired companies, net of cash acquired {ID123}

Proceeds from the sale of PMSI {ID124}

Proceeds from sales of property and equipment {ID125}

Proceeds from the sale of other assets {ID126}

Purchases of investment securities available-for-sale {ID127}

Proceeds from sale of investment securities available-for-sale {ID128}

Net cash (used in) provided by investing activities - continuing operations {ID129}

Net cash used in investing activities - discontinued operations {ID130}

NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES {ID131}

-FINANCING ACTIVITIES {ID132}

Borrowings under revolving and securitization credit facilities {ID133}

Repayments under revolving and securitization credit facilities {ID134}

Purchases of common stock {ID135}

Exercise of stock options, including excess tax benefits of $375 and $11,202 in fiscal 2009 and 2008, respectively {ID136}

Cash dividends on common stock {ID137}

Other {ID138}

Net cash used in financing activities - continuing operations {ID139}

Net cash used in financing activities - discontinued operations {ID140}

NET CASH USED IN FINANCING ACTIVITIES {ID141}

INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS {ID142}

Cash and cash equivalents at beginning of period {ID143}

CASH AND CASH EQUIVALENTS AT END OF PERIOD {ID144}

-Network: (031 - Statement - Consolidated Statements of Cash Flows (Parenthetical))

-Statements of Cash Flows (Parenthetical) [Abstract] {ID145}

-Statement [Table] {ID146}

-Statement [Line Items] {ID147}

Excess tax benefits, Exercise of stock options {ID148}

-Statement, Scenario [Axis] {ID149}

-Scenario, Unspecified [Domain] {ID150}

Scenario, Actual [Member] {ID151}

Scenario, Adjustment [Member] {ID152}

Scenario, Forecast [Member] {ID153}

Scenario, Plan [Member] {ID154}

Scenario, Previously Reported [Member] {ID155}

-Network: (0601 - Disclosure - Summary of Significant Accounting Policies)

-Summary of Significant Accounting Policies [Abstract] {ID156}

Summary of Significant Accounting Policies {ID157}

-Network: (0602 - Disclosure - Acquisition)

-Acquisition [Abstract] {ID158}

Acquisition {ID159}

-Network: (0603 - Disclosure - Discontinued Operations)

-Discontinued Operations [Abstract] {ID160}

Discontinued Operations {ID161}

-Network: (0604 - Disclosure - Income Taxes)

-Income Taxes [Abstract] {ID162}

Income Taxes {ID163}

-Network: (0605 - Disclosure - Goodwill and Other Intangible Assets)

-Goodwill and Other Intangible Assets [Abstract] {ID164}

Goodwill and Other Intangible Assets {ID165}

-Network: (0606 - Disclosure - Debt)

-Debt [Abstract] {ID166}

Debt {ID167}

-Network: (0607 - Disclosure - Stockholders Equity and Earnings Per Share)

-Stockholders Equity and Earnings Per Share [Abstract] {ID168}

Stockholders' Equity and Earnings Per Share {ID169}

-Network: (0608 - Disclosure - Facility Consolidations, Employee Severance and Other)

-Facility Consolidations Employee Severance and Other [Abstract] {ID170}

Facility Consolidations, Employee Severance and Other {ID171}

-Network: (0609 - Disclosure - Legal Matters and Contingencies)

-Legal Matters and Contingencies [Abstract] {ID172}

Legal Matters and Contingencies {ID173}

-Network: (0610 - Disclosure - Litigation Settlements)

-Litigation Settlements [Abstract] {ID174}

Litigation Settlements {ID175}

-Network: (0611 - Disclosure - Business Segment Information)

-Business Segment Information [Abstract] {ID176}

Business Segment Information {ID177}

-Network: (0612 - Disclosure - Selected Consolidating Financial Statements of Parent, Guarantors and Non Guarantors)

-Selected Consolidating Financial Statements of Parent Guarantors and Non Guarantors [Abstract] {ID178}

Selected Consolidating Financial Statements of Parent, Guarantors and Non-Guarantors {ID179}

AMERISOURCEBERGEN CORP XBRL Taxonomy Presentation Networks