Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2015	Aug. 01, 2015
Entity Information [Line Items]
Entity Registrant Name	Quad/Graphics, Inc.
Entity Central Index Key	0001481792
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Trading Symbol	QUAD
Common Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		35,410,003
Common Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		14,198,464
Common Class C [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		0