Quarterly report pursuant to Section 13 or 15(d)

Summary of Intangible Assets (Detail)

v3.20.1
Summary of Intangible Assets (Detail) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 5,393 $ 5,347
Accumulated Amortization (3,217) (3,180)
Net Carrying Value 2,176 2,167
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Carrying value 4  
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Carrying value 200  
Capitalized software    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 4,198 4,125
Accumulated Amortization (2,734) (2,704)
Net Carrying Value 1,464 1,421
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 115 117
Accumulated Amortization (71) (64)
Net Carrying Value 44 53
Franchise rights    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 146 146
Accumulated Amortization (110) (109)
Net Carrying Value 36 37
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 710 730
Accumulated Amortization (287) (282)
Net Carrying Value 423 448
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 200 200
Accumulated Amortization 0 0
Net Carrying Value 200 200
Trademarks, patents and other    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 24 29
Accumulated Amortization (15) (21)
Net Carrying Value $ 9 $ 8