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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2021
Feb. 21, 2022
Jun. 30, 2021
Document Information [Line Items]      
Document Type 10-K/A    
Amendment Flag true    
Amendment Description RR Donnelley & Sons Company (the “Company,” “RRD,” “our,” “us” or “we”) is filing this Amendment No. 1 on Form 10-K/A (this “Amendment No. 1”) to our Annual Report on Form 10-K for the fiscal year ended December 31, 2021 (the “Form 10-K”), which was filed with the U.S. Securities and Exchange Commission (the “SEC”) on February 24, 2022, to provide the information required by Part III of Form 10-K. This information was previously omitted from the Form 10-K in reliance on General Instruction G(3) to Form 10-K, which permits the information in Part III to be incorporated in the Form 10-K by reference from our definitive proxy statement if such statement is filed no later than 120 days after end of our fiscal year. We are filing this Amendment No. 1 to include Part III information in our Form 10-K because we will not file a definitive proxy statement containing this information within 120 days after the end of the fiscal year covered by the Form 10-K. This Amendment No. 1 amends and restates in their entirety Items 10, 11, 12, 13 and 14 of Part III of the Form 10-K.   In addition, as required by Section 302 of the Sarbanes-Oxley Act of 2002 and Rule 12b-15 of the Securities Exchange Act of 1934 (the “Exchange Act”), as amended, updated certifications of the Company’s principal executive officer and principal financial officer are included as Exhibits 31.3 and 31.4 hereto. Because no financial statements have been included in this Amendment No. 1 and this Amendment No. 1 does not contain or amend any disclosure with respect to Items 307 and 308 of Regulation S-K, paragraphs 3, 4, and 5 of the certifications have been omitted. We are not including the certifications under Section 906 of the Sarbanes-Oxley Act of 2002 as no financial statements are being filed with this Amendment No. 1.   No other changes have been made to the Form 10-K other than those described above. This Amendment No. 1 does not reflect subsequent events occurring after the original filing date of the Form 10-K or modify or update in any way the financial statements, consents or any other items disclosures made in the Form 10-K in any way other than as required to reflect the amendments discussed above. Accordingly, this Amendment No. 1 should be read in conjunction with the Form 10-K and the Company’s other filings with the SEC subsequent to the filing of the Form 10-K.    
Document Period End Date Dec. 31, 2021    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Registrant Name RR Donnelley & Sons Co    
Entity Central Index Key 0000029669    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   75,212,238  
Entity Public Float     $ 440,834,717
Entity Interactive Data Current Yes    
Entity File Number 1-4694    
Entity Tax Identification Number 36-1004130    
Entity Address, Address Line One 35 West Wacker Drive    
Entity Address, City or Town Chicago    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60601    
City Area Code 312    
Local Phone Number 326-8000    
Document Annual Report true    
Document Transition Report false    
Entity Incorporation, State or Country Code DE    
Auditor Name DELOITTE & TOUCHE LLP    
Auditor Location Chicago, IL    
Auditor Firm ID 34    
Documents Incorporated by Reference

Documents Incorporated By Reference

Item 10 of Part III of this Form 10-K/A incorporates by reference to the registrant’s Form 10-K for the fiscal year ended December 31, 2021, filed on February 24, 2022. Item 12 of Part III of this Form 10-K/A incorporates by reference to the registrant’s Form 8-K filed on December 17, 2021.

    
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol RRD    
Security Exchange Name NYSE    
Preferred Stock      
Document Information [Line Items]      
Title of 12(b) Security Preferred Stock Purchase Rights    
No Trading Symbol Flag true    
Security Exchange Name NYSE