XML 40 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page - shares
shares in Millions
3 Months Ended
Mar. 31, 2020
Apr. 24, 2020
Cover [Abstract]    
Entity Central Index Key 0000064040  
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2020  
Document Transition Report false  
Entity File Number 1-1023  
Entity Registrant Name S&P Global Inc.  
Entity Incorporation, State or Country Code NY  
Entity Tax Identification Number 13-1026995  
Entity Address, Address Line One 55 Water Street  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10041  
City Area Code 212  
Local Phone Number 438-1000  
Title of 12(b) Security Common stock (par value $1.00 per share)  
Trading Symbol SPGI  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   240.9