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Overview and Basis of Presentation - Narrative (Detail)
$ in Millions
9 Months Ended
Mar. 28, 2017
USD ($)
shares
Oct. 01, 2016
Entity
shares
Sep. 30, 2017
USD ($)
Overview And Basis Of Presentation [Line Items]      
Percentage of distribution of common shares during spinoff   80.75%  
Number of subsidiary shares sold by parent company 6,200,000    
Issuance of common stock, value | $     $ 38
Over-allotment Option      
Overview And Basis Of Presentation [Line Items]      
Issuance of common stock, shares 900,000    
Issuance of common stock, value | $ $ 18    
Donnelley Financial Solutions      
Overview And Basis Of Presentation [Line Items]      
Percentage of distribution of common shares during spinoff   80.75%  
RRD      
Overview And Basis Of Presentation [Line Items]      
Ownership percentage 19.25% 19.25%  
Ownership percentage in Donnelley Financial solutions by related party   19.25%  
Number of subsidiary shares sold by parent company 6,200,000    
RR Donnelley      
Overview And Basis Of Presentation [Line Items]      
Number of entities resulted from spinoff of an entity | Entity   3  
Number of share distributed to each stockholder in spinoff transaction in Donnelley Financial solutions by related party   0.125  
Number of share distributed to each stockholder in spinoff transaction   0.125