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Business Combination - Additional Information (Detail) - JPY (¥)
¥ in Millions
12 Months Ended
Jun. 01, 2016
Nov. 03, 2015
Oct. 19, 2015
Sep. 04, 2015
Oct. 01, 2013
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2014
Sep. 08, 2015
Business Acquisition [Line Items]                  
Payment to acquire business           ¥ 21,950 ¥ 1,843 ¥ 15,975  
Customer relationships                  
Business Acquisition [Line Items]                  
Weighted average amortization periods           11 years      
Trademark                  
Business Acquisition [Line Items]                  
Weighted average amortization periods           14 years      
Kyocera Circuit Solutions, Inc. (KCS)                  
Business Acquisition [Line Items]                  
Payment to acquire business         ¥ 19,416        
Business acquisition percentage of common shares acquired         100.00%        
Acquisition related costs               ¥ 113  
Kyocera Circuit Solutions, Inc. (KCS) | Technology                  
Business Acquisition [Line Items]                  
Weighted average amortization periods         10 years        
Kyocera Circuit Solutions, Inc. (KCS) | Customer relationships                  
Business Acquisition [Line Items]                  
Weighted average amortization periods         13 years        
Ceyoniq Technology GmbH                  
Business Acquisition [Line Items]                  
Payment to acquire business   ¥ 3,508              
Business acquisition percentage of common shares acquired   100.00%              
Acquisition related costs           ¥ 129      
Payment to acquire business   ¥ 219              
Ceyoniq Technology GmbH | Technology                  
Business Acquisition [Line Items]                  
Weighted average amortization periods   7 years              
Ceyoniq Technology GmbH | Customer relationships                  
Business Acquisition [Line Items]                  
Weighted average amortization periods   17 years              
Ceyoniq Technology GmbH | Trademark                  
Business Acquisition [Line Items]                  
Weighted average amortization periods   5 years              
Bilgitas Buro Makinalari Sanayi Ve Ticaret A.S                  
Business Acquisition [Line Items]                  
Payment to acquire business     ¥ 3,538            
Business acquisition percentage of common shares acquired     60.00%            
Acquisition related costs           68      
Business acquisition percentage of remaining voting interests to be acquired     40.00%            
Business acquisition percentage of voting interests to be acquired     100.00%            
Bilgitas Buro Makinalari Sanayi Ve Ticaret A.S | Subsequent Event                  
Business Acquisition [Line Items]                  
Business acquisition percentage of remaining voting interests to be acquired 12.50%                
Business acquisition additional percentage of common shares acquired 27.50%                
Bilgitas Buro Makinalari Sanayi Ve Ticaret A.S | Escrow Deposit                  
Business Acquisition [Line Items]                  
Payment to acquire business     ¥ 2,195            
Bilgitas Buro Makinalari Sanayi Ve Ticaret A.S | Customer relationships                  
Business Acquisition [Line Items]                  
Weighted average amortization periods     20 years            
Bilgitas Buro Makinalari Sanayi Ve Ticaret A.S | Trademark                  
Business Acquisition [Line Items]                  
Weighted average amortization periods     10 years            
Bilgitas Buro Makinalari Sanayi Ve Ticaret A.S | Other intangible assets                  
Business Acquisition [Line Items]                  
Weighted average amortization periods     6 years            
Nihon Inter Electronics Corporation                  
Business Acquisition [Line Items]                  
Payment to acquire business       ¥ 12,134          
Business acquisition percentage of common shares acquired                 70.23%
Acquisition related costs           ¥ 232      
Nihon Inter Electronics Corporation | Technology                  
Business Acquisition [Line Items]                  
Weighted average amortization periods       8 years          
Nihon Inter Electronics Corporation | Customer relationships                  
Business Acquisition [Line Items]                  
Weighted average amortization periods       17 years          
Nihon Inter Electronics Corporation | Trademark                  
Business Acquisition [Line Items]                  
Weighted average amortization periods       21 years