Organization and Summary of Significant Accounting Policies (Policy)	12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Use of Estimates	Use of Estimates The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting periods. Significant items subject to such estimates and assumptions include the streaming content asset amortization policy and the recognition and measurement of income tax assets and liabilities. The Company bases its estimates on historical experience and on various other assumptions that the Company believes to be reasonable under the circumstances. On an ongoing basis, the Company evaluates these assumptions, judgments and estimates. Actual results may differ from these estimates.
Recent accounting pronouncements	Recently adopted accounting pronouncements In February 2016, the Financial Accounting Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842) in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under prior GAAP. ASU 2016-02 requires that a lessee should recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet. The Company adopted ASU 2016-02 in the first quarter of 2019 utilizing the modified retrospective transition method through a cumulative-effect adjustment at the beginning of the first quarter of 2019. The Company has elected the package of practical expedients, which allows the Company not to reassess (1) whether any expired or existing contracts as of the adoption date are or contain a lease, (2) lease classification for any expired or existing leases as of the adoption date and (3) initial direct costs for any existing leases as of the adoption date. The Company did not elect to apply the hindsight practical expedient when determining lease term and assessing impairment of right-of-use assets. The adoption of ASU 2016-02 on January 1, 2019 resulted in the recognition of right-of-use assets of approximately $743 million, lease liabilities for operating leases of approximately $813 million and a cumulative-effect adjustment on retained earnings of $2 million on its Consolidated Balance Sheets, with no material impact to its Consolidated Statements of Operations. See Note 3 for further information regarding the impact of the adoption of ASU 2016-02 on the Company's financial statements. In March 2019, the FASB issued ASU 2019-02, Improvements to Accounting for Costs of Films and License Agreements for Program Materials, in order to align the accounting for production costs of an episodic television series with the accounting for production costs of films by removing the content distinction for capitalization. ASU 2019-02 also requires that an entity reassess estimates of the use of a film in a film group and account for any changes prospectively. In addition, ASU 2019-02 requires that an entity test films and license agreements for program material for impairment at a film group level when the film or license agreements are predominantly monetized with other films and license agreements. ASU 2019-02 is effective for fiscal years beginning after December 15, 2019 and early adoption is permitted. The Company early adopted ASU 2019-02 in the first quarter of 2019 and as such has included all content assets (licensed and produced) as "Non-current content assets, net" on its Consolidated Balance Sheets, beginning with the period of adoption. There was no material impact to its Consolidated Statements of Operations. See the Company's updated Streaming Content policy below for further details. Recently issued accounting pronouncements not yet adopted In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326), in order to improve financial reporting of expected credit losses on financial instruments and other commitments to extend credit. ASU 2016-13 requires that an entity measure and recognize expected credit losses for financial assets held at amortized cost and replaces the incurred loss impairment methodology in current GAAP with a methodology that requires consideration of a broader range of information to estimate credit losses. While the Company is continuing to assess the potential impacts of ASU 2016-13, it does not expect ASU 2016-13 to have a material effect on its financial statements.
Cash Equivalents	Cash Equivalents The Company considers investments in instruments purchased with an original maturity of 90 days or less to be cash equivalents. The Company also classifies amounts in transit from payment processors for customer credit card and debit card transactions as cash equivalents.
Streaming Content	Streaming Content The Company acquires, licenses and produces content, including original programming, in order to offer members unlimited viewing of TV series and films. The content licenses are for a fixed fee and specific windows of availability. Payment terms for certain content licenses and the production of content require more upfront cash payments relative to the amortization expense. Payments for content, including additions to streaming assets and the changes in related liabilities, are classified within "Net cash used in operating activities" on the Consolidated Statements of Cash Flows. The Company recognizes content assets (licensed and produced) as “Non-current content assets, net” on the Consolidated Balance Sheets. For licenses, the Company capitalizes the fee per title and records a corresponding liability at the gross amount of the liability when the license period begins, the cost of the title is known and the title is accepted and available for streaming. For productions, the Company capitalizes costs associated with the production, including development costs, direct costs and production overhead. Participations and residuals are expensed in line with the amortization of production costs. Based on factors including historical and estimated viewing patterns, the Company amortizes the content assets (licensed and produced) in “Cost of revenues” on the Consolidated Statements of Operations over the shorter of each title's contractual window of availability or estimated period of use or ten years, beginning with the month of first availability. The amortization is on an accelerated basis, as the Company typically expects more upfront viewing, for instance due to additional merchandising and marketing efforts and film amortization is more accelerated than TV series amortization. On average, over 90% of a licensed or produced streaming content asset is expected to be amortized within four years after its month of first availability. The Company reviews factors impacting the amortization of the content assets on an ongoing basis. The Company's estimates related to these factors require considerable management judgment. The Company's business model is subscription based as opposed to a model generating revenues at a specific title level. Content assets (licensed and produced) are predominantly monetized as a group and therefore are reviewed in aggregate at a group level when an event or change in circumstances indicates a change in the expected usefulness of the content or that the fair value may be less than unamortized cost. To date, the Company has not identified any such event or changes in circumstances. If such changes are identified in the future, these aggregated content assets will be stated at the lower of unamortized cost or fair value. In addition, unamortized costs for assets that have been, or are expected to be, abandoned are written off.
Property and Equipment	Property and Equipment Property and equipment are carried at cost less accumulated depreciation. Depreciation is calculated using the straight-line method over the shorter of the estimated useful lives of the respective assets, generally up to 30 years, or the expected lease term for leasehold improvements, if applicable.
Trade Receivables	Trade Receivables Trade receivables consist primarily of amounts related to members and payment partners that collect membership fees on the Company's behalf. The Company evaluates the need for an allowance for doubtful accounts based on historical collection trends, the financial condition of its payment partners, and external market factors.
Revenue Recognition	Revenue Recognition The Company's primary source of revenues is from monthly membership fees. Members are billed in advance of the start of their monthly membership and revenues are recognized ratably over each monthly membership period. Revenues are presented net of the taxes that are collected from members and remitted to governmental authorities. The Company is the principal in all its relationships where partners, including consumer electronics (“CE”) manufacturers, multichannel video programming distributors (“MVPDs”), mobile operators and internet service providers (“ISPs”), provide access to the service as the Company retains control over service delivery to its members. Typically, payments made to the partners, such as for marketing, are expensed, but in the case where the price that the member pays is established by the partners and there is no standalone price for the Netflix service (for instance, in a bundle), these payments are recognized as a reduction of revenues.
Marketing	Marketing Marketing expenses consist primarily of advertising expenses and certain payments made to the Company’s partners, including CE manufacturers, MVPDs, mobile operators and ISPs. Advertising expenses include promotional activities such as digital and television advertising. Advertising costs are expensed as incurred.
Research and Development	Research and Development Research and development expenses consist of payroll and related costs incurred in making improvements to our service offerings.
Income Taxes	Income Taxes The Company records a provision for income taxes for the anticipated tax consequences of the reported results of operations using the asset and liability method. Deferred income taxes are recognized by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases as well as net operating loss and tax credit carryforwards. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. The measurement of deferred tax assets is reduced, if necessary, by a valuation allowance for any tax benefits for which future realization is uncertain. The Company did not recognize certain tax benefits from uncertain tax positions within the provision for income taxes. The Company may recognize a tax benefit only if it is more likely than not the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such positions are then measured based on the largest benefit that has a greater than 50% likelihood of being realized upon settlement. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense.
Foreign Currency	Foreign Currency The functional currency for the Company's subsidiaries is determined based on the primary economic environment in which the subsidiary operates. The Company translates the assets and liabilities of its non-U.S. dollar functional currency subsidiaries into U.S. dollars using exchange rates in effect at the end of each period. Revenues and expenses for these subsidiaries are translated using rates that approximate those in effect during the period. Gains and losses from these translations are recognized in cumulative translation adjustment included in "Accumulated other comprehensive loss" in Stockholders’ equity on the Consolidated Balance Sheets. The Company remeasures monetary assets and liabilities that are not denominated in the functional currency at exchange rates in effect at the end of each period. Gains and losses from these remeasurements are recognized in interest and other income (expense).
Earnings Per Share	Earnings Per Share Basic earnings per share is computed using the weighted-average number of outstanding shares of common stock during the period. Diluted earnings per share is computed using the weighted-average number of outstanding shares of common stock and, when dilutive, potential common shares outstanding during the period. Potential common shares consist of incremental shares issuable upon the assumed exercise of stock options.
Stock-Based Compensation	Stock-Based Compensation The Company grants fully vested non-qualified stock options to its employees on a monthly basis. As a result of immediate vesting, stock-based compensation expense is fully recognized on the grant date, and no estimate is required for post-vesting option forfeitures.

Organization and Summary of Significant Accounting Policies (Policy)

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting periods. Significant items subject to such estimates and assumptions include the streaming content asset amortization policy and the recognition and measurement of income tax assets and liabilities. The Company bases its estimates on historical experience and on various other assumptions that the Company believes to be reasonable under the circumstances. On an ongoing basis, the Company evaluates these assumptions, judgments and estimates. Actual results may differ from these estimates.

Recent accounting pronouncements

Recently adopted accounting pronouncements

In February 2016, the Financial Accounting Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842) in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under prior GAAP. ASU 2016-02 requires that a lessee should recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet. The Company adopted ASU 2016-02 in the first quarter of 2019 utilizing the modified retrospective transition method through a cumulative-effect adjustment at the beginning of the first quarter of 2019. The Company has elected the package of practical expedients, which allows the Company not to reassess (1) whether any expired or existing contracts as of the adoption date are or contain a lease, (2) lease classification for any expired or existing leases as of the adoption date and (3) initial direct costs for any existing leases as of the adoption date. The Company did not elect to apply the hindsight practical expedient when determining lease term and assessing impairment of right-of-use assets. The adoption of ASU 2016-02 on January 1, 2019 resulted in the recognition of right-of-use assets of approximately $743 million, lease liabilities for operating leases of approximately $813 million and a cumulative-effect adjustment on retained earnings of $2 million on its Consolidated Balance Sheets, with no material impact to its Consolidated Statements of Operations. See Note 3 for further information regarding the impact of the adoption of ASU 2016-02 on the Company's financial statements.

In March 2019, the FASB issued ASU 2019-02, Improvements to Accounting for Costs of Films and License Agreements for Program Materials, in order to align the accounting for production costs of an episodic television series with the accounting for production costs of films by removing the content distinction for capitalization. ASU 2019-02 also requires that an entity

reassess estimates of the use of a film in a film group and account for any changes prospectively. In addition, ASU 2019-02 requires that an entity test films and license agreements for program material for impairment at a film group level when the film or license agreements are predominantly monetized with other films and license agreements. ASU 2019-02 is effective for fiscal years beginning after December 15, 2019 and early adoption is permitted. The Company early adopted ASU 2019-02 in the first quarter of 2019 and as such has included all content assets (licensed and produced) as "Non-current content assets, net" on its Consolidated Balance Sheets, beginning with the period of adoption. There was no material impact to its Consolidated Statements of Operations. See the Company's updated Streaming Content policy below for further details.

Recently issued accounting pronouncements not yet adopted

In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326), in order to improve financial reporting of expected credit losses on financial instruments and other commitments to extend credit. ASU 2016-13 requires that an entity measure and recognize expected credit losses for financial assets held at amortized cost and replaces the incurred loss impairment methodology in current GAAP with a methodology that requires consideration of a broader range of information to estimate credit losses. While the Company is continuing to assess the potential impacts of ASU 2016-13, it does not expect ASU 2016-13 to have a material effect on its financial statements.

Cash Equivalents

The Company considers investments in instruments purchased with an original maturity of 90 days or less to be cash equivalents. The Company also classifies amounts in transit from payment processors for customer credit card and debit card transactions as cash equivalents.

Streaming Content

The Company acquires, licenses and produces content, including original programming, in order to offer members unlimited viewing of TV series and films. The content licenses are for a fixed fee and specific windows of availability. Payment terms for certain content licenses and the production of content require more upfront cash payments relative to the amortization expense. Payments for content, including additions to streaming assets and the changes in related liabilities, are classified within "Net cash used in operating activities" on the Consolidated Statements of Cash Flows.

The Company recognizes content assets (licensed and produced) as “Non-current content assets, net” on the Consolidated Balance Sheets. For licenses, the Company capitalizes the fee per title and records a corresponding liability at the gross amount of the liability when the license period begins, the cost of the title is known and the title is accepted and available for streaming. For productions, the Company capitalizes costs associated with the production, including development costs, direct costs and production overhead. Participations and residuals are expensed in line with the amortization of production costs.

Based on factors including historical and estimated viewing patterns, the Company amortizes the content assets (licensed and produced) in “Cost of revenues” on the Consolidated Statements of Operations over the shorter of each title's contractual window of availability or estimated period of use or ten years, beginning with the month of first availability. The amortization is on an accelerated basis, as the Company typically expects more upfront viewing, for instance due to additional merchandising and marketing efforts and film amortization is more accelerated than TV series amortization. On average, over 90% of a licensed or produced streaming content asset is expected to be amortized within four years after its month of first availability. The Company reviews factors impacting the amortization of the content assets on an ongoing basis. The Company's estimates related to these factors require considerable management judgment.

The Company's business model is subscription based as opposed to a model generating revenues at a specific title level. Content assets (licensed and produced) are predominantly monetized as a group and therefore are reviewed in aggregate at a group level when an event or change in circumstances indicates a change in the expected usefulness of the content or that the fair value may be less than unamortized cost. To date, the Company has not identified any such event or changes in circumstances. If such changes are identified in the future, these aggregated content assets will be stated at the lower of unamortized cost or fair value. In addition, unamortized costs for assets that have been, or are expected to be, abandoned are written off.

Property and Equipment

Property and equipment are carried at cost less accumulated depreciation. Depreciation is calculated using the straight-line method over the shorter of the estimated useful lives of the respective assets, generally up to 30 years, or the expected lease term for leasehold improvements, if applicable.

Trade Receivables

Trade receivables consist primarily of amounts related to members and payment partners that collect membership fees on the Company's behalf. The Company evaluates the need for an allowance for doubtful accounts based on historical collection trends, the financial condition of its payment partners, and external market factors.

Revenue Recognition

The Company's primary source of revenues is from monthly membership fees. Members are billed in advance of the start of their monthly membership and revenues are recognized ratably over each monthly membership period. Revenues are presented net of the taxes that are collected from members and remitted to governmental authorities. The Company is the principal in all its relationships where partners, including consumer electronics (“CE”) manufacturers, multichannel video programming distributors (“MVPDs”), mobile operators and internet service providers (“ISPs”), provide access to the service as the Company retains control over service delivery to its members. Typically, payments made to the partners, such as for marketing, are expensed, but in the case where the price that the member pays is established by the partners and there is no standalone price for the Netflix service (for instance, in a bundle), these payments are recognized as a reduction of revenues.

Marketing

Marketing expenses consist primarily of advertising expenses and certain payments made to the Company’s partners, including CE manufacturers, MVPDs, mobile operators and ISPs. Advertising expenses include promotional activities such as digital and television advertising. Advertising costs are expensed as incurred.

Research and Development

Research and development expenses consist of payroll and related costs incurred in making improvements to our service offerings.

Income Taxes

The Company records a provision for income taxes for the anticipated tax consequences of the reported results of operations using the asset and liability method. Deferred income taxes are recognized by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases as well as net operating loss and tax credit carryforwards. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. The measurement of deferred tax assets is reduced, if necessary, by a valuation allowance for any tax benefits for which future realization is uncertain.

The Company did not recognize certain tax benefits from uncertain tax positions within the provision for income taxes. The Company may recognize a tax benefit only if it is more likely than not the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such positions are then measured based on the largest benefit that has a greater than 50% likelihood of being realized upon settlement. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense.

Foreign Currency

The functional currency for the Company's subsidiaries is determined based on the primary economic environment in which the subsidiary operates. The Company translates the assets and liabilities of its non-U.S. dollar functional currency subsidiaries into U.S. dollars using exchange rates in effect at the end of each period. Revenues and expenses for these subsidiaries are translated using rates that approximate those in effect during the period. Gains and losses from these translations are recognized in cumulative translation adjustment included in "Accumulated other comprehensive loss" in Stockholders’ equity on the Consolidated Balance Sheets.

The Company remeasures monetary assets and liabilities that are not denominated in the functional currency at exchange rates in effect at the end of each period. Gains and losses from these remeasurements are recognized in interest and other income (expense).

Earnings Per Share

Basic earnings per share is computed using the weighted-average number of outstanding shares of common stock during the period. Diluted earnings per share is computed using the weighted-average number of outstanding shares of common stock and, when dilutive, potential common shares outstanding during the period. Potential common shares consist of incremental shares issuable upon the assumed exercise of stock options.

Stock-Based Compensation

The Company grants fully vested non-qualified stock options to its employees on a monthly basis. As a result of immediate vesting, stock-based compensation expense is fully recognized on the grant date, and no estimate is required for post-vesting option forfeitures.