Document and Entity Information - shares shares in Millions	6 Months Ended
	Jun. 30, 2019	Jul. 29, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Trading Symbol	RRD
Entity Registrant Name	RR Donnelley & Sons Co
Entity Central Index Key	0000029669
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		70.8
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity File Number	1-4694
Entity Tax Identification Number	361004130
Entity Address, Address Line One	35 West Wacker Drive
Entity Address, City or Town	Chicago
Entity Address, State or Province	Illinois
Entity Address, Postal Zip Code	60601
City Area Code	312
Local Phone Number	326-8000