Quarterly report pursuant to Section 13 or 15(d)

Summary of Intangible Assets (Detail)

v3.19.1
Summary of Intangible Assets (Detail) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 5,038 $ 4,943
Accumulated Amortization (2,945) (2,867)
Net Carrying Value 2,093 2,075
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 3,783 3,693
Accumulated Amortization (2,524) (2,478)
Net Carrying Value 1,259 1,215
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 117 117
Accumulated Amortization (43) (36)
Net Carrying Value 74 81
Franchise rights    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 146 145
Accumulated Amortization (106) (105)
Net Carrying Value 40 40
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 737 736
Accumulated Amortization (236) (217)
Net Carrying Value 501 519
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 55 52
Accumulated Amortization (36) (31)
Net Carrying Value $ 19 $ 20