v3.20.4
Acquisition - Summary of Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($)
$ in Millions
12 Months Ended
May 10, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2020
Business Acquisition [Line Items]        
Goodwill   $ 14,562 $ 13,526 $ 14,551
Total consideration, net of cash acquired   $ 1,510 $ 699  
eFront [Member]        
Business Acquisition [Line Items]        
Accounts receivable $ 61      
Goodwill 1,044      
Other assets 49      
Deferred income tax liabilities (146)      
Other liabilities assumed (125)      
Total consideration, net of cash acquired 1,500      
Cash paid including settlement of outstanding debt of approximately $0.2 billion 1,555      
Cash acquired (55)      
Total consideration, net of cash acquired 1,500      
eFront [Member] | Customer Relationships [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets 400      
eFront [Member] | Technology-Related [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets 203      
eFront [Member] | Trade Names [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets $ 14