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Overview and Basis of Presentation - Narrative (Detail)
$ in Millions
12 Months Ended
Mar. 28, 2017
USD ($)
shares
Oct. 02, 2016
Entity
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Oct. 01, 2016
shares
Overview And Basis Of Presentation [Line Items]          
Percentage of distribution of common shares during spinoff         80.75%
Issuance of common stock, value | $     $ 38 $ 0  
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