v3.19.3.a.u2
Acquisition - Summary of Initial and Revised 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, 2017
Business Acquisition [Line Items]        
Goodwill   $ 14,562 $ 13,526 $ 13,220
Total consideration, net of cash acquired   $ 1,510 $ 699 $ 102
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      
eFront [Member] | Initial Estimate of Fair Value [Member]        
Business Acquisition [Line Items]        
Accounts receivable 65      
Goodwill 990      
Other assets 31      
Deferred income tax liabilities (194)      
Other liabilities assumed (64)      
Total consideration, net of cash acquired 1,506      
Cash paid including settlement of outstanding debt of approximately $0.2 billion 1,555      
Cash acquired (49)      
Total consideration, net of cash acquired 1,506      
eFront [Member] | Initial Estimate of Fair Value [Member] | Customer Relationships [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets 452      
eFront [Member] | Initial Estimate of Fair Value [Member] | Technology-Related [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets 205      
eFront [Member] | Initial Estimate of Fair Value [Member] | Trade Names [Member]        
Business Acquisition [Line Items]        
Finite-lived intangible assets $ 21