GILEAD SCIENCES, INC.

2103100 - Disclosure - Available-For-Sale Securities

2104100 - Disclosure - Derivative Financial Instruments

2105100 - Disclosure - Acquisition of Pharmasset, Inc.

2106100 - Disclosure - Inventories

2107100 - Disclosure - Intangible Assets

2108100 - Disclosure - Collaborative Arrangements

2109100 - Disclosure - Long-Term Obligations

2110100 - Disclosure - Commitments And Contingencies

2111100 - Disclosure - Stock-Based Compensation Expenses

2112100 - Disclosure - Stockholders' Equity

0001000 - Document - Document And Entity Information

2113100 - Disclosure - Segment Information

2114100 - Disclosure - Income Taxes

2201201 - Disclosure - Summary Of Significant Accounting Policies (Policy)

2301302 - Disclosure - Summary Of Significant Accounting Policies (Tables)

2302301 - Disclosure - Fair Value Measurements (Tables)

2303301 - Disclosure - Available-For-Sale Securities (Tables)

2304301 - Disclosure - Derivative Financial Instruments (Tables)

2305301 - Disclosure - Acquisitions of Pharmasset, Inc. (Tables)

2306301 - Disclosure - Inventories (Tables)

2307301 - Disclosure - Intangible Assets (Tables)

1001000 - Statement - Condensed Consolidated Balance Sheets

2309301 - Disclosure - Long-Term Obligations (Tables)

2311301 - Disclosure - Stock-Based Compensation Expenses (Tables)

2313301 - Disclosure - Segment Information (Tables)

2401403 - Disclosure - Summary Of Significant Accounting Policies (Reconciliation Of The Numerator And Denominator Used In The Calculation Of Basic And Diluted Net Income Per Share) (Details)

2401404 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details)

2402402 - Disclosure - Fair Value Measurements (Summary Of Assets and Liabilities Recorded At Fair Value) (Details)

2402403 - Disclosure - Fair Value Measurements (Reconciliation Of Marketable Securities Measured At Fair Value Using Significant Unobservable Inputs (Level 3)) (Details)

2402404 - Disclosure - Fair Value Measurements Contingent Consideration Rollforward (Details)

2402405 - Disclosure - Fair Value Measurements (Narrative) (Details)

2403402 - Disclosure - Available-For-Sale Securities (Summary Of Available-For-Sale Debt And Equity Securities At Estimated Fair Value) (Details)

1001501 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)

2403403 - Disclosure - Available-For-Sale Securities (Summary Of The Classification Of Available-For-Sale Debt And Equity Securities) (Details)

2403404 - Disclosure - Available-For-Sale Securities (Summary Of Available-For-Sale Debt Securities By Contractual Maturity) (Details)

2403405 - Disclosure - Available-For-Sale Securities (Summary Of Gross Realized Gains And Losses Related To Sales Of Marketable Securities) (Details)

2403406 - Disclosure - Available-For-Sale Securities (Summary Of Available-For-Sale Debt Securities In A Continuous Unrealized Loss Position Deemed Not To Be Other-Than-Temporarily Impaired) (Details)

2403407 - Disclosure - Available-For-Sale Securities (Narrative) (Details)

2404402 - Disclosure - Derivative Financial Instruments (Summary Of Information About The Fair Values Of Derivative Instruments On Condensed Consolidated Balance Sheets) (Details)

2404403 - Disclosure - Derivative Financial Instruments (Summary Of The Effect Of Foreign Currency Exchange Contracts On Condensed Consolidated Statements Of Income) (Details)

2404404 - Disclosure - Derivative Financial Instruments (Narrative) (Details)

2405402 - Disclosure - Acquisition of Pharmasset, Inc. Cash Consideration Paid in Acquisition (Details)

2405403 - Disclosure - Acquisitions (Fair Values Of The Assets Acquired And Liabilities Assumed) (Details)

1002000 - Statement - Condensed Consolidated Statements Of Income

2405404 - Disclosure - Acquisition of Pharmasset, Inc. Accelerated Stock-Based Compensation Expense (Details)

2405405 - Disclosure - Acquisition of Pharmasset, Inc. Other Transaction Costs (Details)

2405406 - Disclosure - Acquisition of Pharmasset, Inc. Other Costs as Classifed by Expense Category (Details)

2405407 - Disclosure - Acquisition of Pharmasset, Inc. Table of Pro Forma of Pharmasset (Details)

2405408 - Disclosure - Acquisition of Pharmasset, Inc. (Narrative) (Details)

2406402 - Disclosure - Inventories (Schedule Of Inventories) (Details)

2406403 - Disclosure - Inventories (Narrative) (Details)

2407402 - Disclosure - Intangible Assets (Schedule Of Carrying Amount Of Intangible Assets) (Details)

2407403 - Disclosure - Intangible Assets (Schedule Of Finite-Lived Intangible Assets) (Details)

2407404 - Disclosure - Intangible Assets (Estimated Future Amortization Expense) (Details)

1003000 - Statement - Condensed Consolidated Statements Of Cash Flows

2407405 - Disclosure - Intangible Assets (Schedule Of Changes In The Carrying Amount Of Goodwill) (Details)

2407406 - Disclosure - Intangible Assets (Narrative) (Details)

2408401 - Disclosure - Collaborative Arrangements (Details)

2409402 - Disclosure - Long-Term Obligations (Schedule Of Carrying Amount Of Convertible Senior Notes) (Details)

2409403 - Disclosure - Long-Term Obligations (Narrative) (Details)

2411402 - Disclosure - Stock-Based Compensation Expenses (Schedule Of Stock-Based Compensation Expenses Included In Consolidated Statements Of Income) (Details)

2411403 - Disclosure - Stock-Based Compensation Expenses Stock-Based Compensation Expenses (Narrative) (Details)

2412401 - Disclosure - Stockholders' Equity (Narrative) (Details)

2413402 - Disclosure - Segment Information (Product Sales) (Details)

2413403 - Disclosure - Segment Information (Schedule Of Revenues From Each Customer Who Individually Accounted For 10% Or More Of Total Revenues) (Details)

1004000 - Statement - Condensed Consolidated Statements of Comprehensive Income

2413404 - Disclosure - Segment Information (Narrative) (Details)

2414401 - Disclosure - Income Taxes (Details)

1004501 - Statement - Condensed Consolidated Statement of Comprehensive Income Paranthetical

2101100 - Disclosure - Summary Of Significant Accounting Policies

2102100 - Disclosure - Fair Value Measurements