Background and Basis of Presentation (Policies)	3 Months Ended
Background and Basis of Presentation (Policies)	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”) and applicable rules and regulations of the U.S. Securities and Exchange Commission (“SEC”) regarding interim financial reporting. The condensed consolidated financial statements include the results of Chegg, Inc. and its wholly-owned subsidiaries. Significant intercompany balances and transactions have been eliminated. In the opinion of management, the accompanying unaudited condensed consolidated financial statements contain all adjustments, including normal recurring adjustments, necessary to present fairly our financial position as of March 31, 2023, our results of operations, results of comprehensive income (loss), stockholders' equity and cash flows for the three months ended March 31, 2023 and 2022. Our results of operations, results of comprehensive income (loss), stockholders' equity, and cash flows for the three months ended March 31, 2023 are not necessarily indicative of the results to be expected for the full year. We have a single operating and reportable segment and operating unit structure. The condensed consolidated financial statements and related financial information should be read in conjunction with the audited consolidated financial statements and the related notes thereto that are included in our Annual Report on Form 10-K for the year ended December 31, 2022 (the Annual Report on Form 10-K) filed with the SEC. There have been no material changes to our significant accounting policies as compared to the significant accounting policies described in our Annual Report on Form 10-K.
Use of Estimates	Use of EstimatesThe preparation of financial statements in conformity with GAAP requires management to make estimates, judgments, and assumptions that affect the reported amounts of assets and liabilities; the disclosure of contingent liabilities at the date of the financial statements; and the reported amounts of revenues and expenses during the reporting periods. We base our estimates on historical experience, knowledge of current business conditions, and various other factors we believe to be reasonable under the circumstances. These estimates are based on management’s knowledge about current events and expectations about actions we may undertake in the future. Actual results could differ from these estimates, and such differences could be material to our financial position and results of operations.
Reclassification of Prior Period Presentation	Reclassification of Prior Period Presentation In order to conform with current period presentation, $0.7 million of deferred tax assets during the three months ended March 31, 2022 has been reclassified from other non-cash items on our condensed consolidated statements of cash flows. This change in presentation does not affect previously reported results.
Recent Accounting Pronouncements	Recent Accounting Pronouncements Recently Issued Accounting Pronouncements Not Yet Adopted There were no accounting pronouncements issued during the three months ended March 31, 2023 that would have a material impact on our financial statements. Recently Adopted Accounting Pronouncements We did not adopt any new standards or updates issued during the three months ended March 31, 2023 that had a material impact on our financial statements.