v3.19.2
Document and Entity Information Document - shares
6 Months Ended
Jun. 30, 2019
Jul. 26, 2019
Document and Entity Information [Abstract]    
Entity Registrant Name SERVICE CORPORATION INTERNATIONAL  
Entity Central Index Key 0000089089  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q2  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Jun. 30, 2019  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   182,360,782
Entity Current Reporting Status Yes