Quarterly report pursuant to Section 13 or 15(d)

Summary of Intangible Assets (Detail)

v3.5.0.2
Summary of Intangible Assets (Detail) - USD ($)
$ in Millions
Sep. 30, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 3,885 $ 3,825
Accumulated Amortization (2,348) (2,276)
Net Carrying Value 1,537 1,549
Capitalized software    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 2,858 2,739
Accumulated Amortization (2,103) (2,026)
Net Carrying Value 755 713
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 130 189
Accumulated Amortization (63) (116)
Net Carrying Value 67 73
Franchise rights    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 128 125
Accumulated Amortization (88) (83)
Net Carrying Value 40 42
Customer lists    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 511 511
Accumulated Amortization (73) (35)
Net Carrying Value 438 476
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 58 61
Accumulated Amortization (21) (16)
Net Carrying Value 37 $ 45
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Carrying value 4  
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Carrying value $ 200