Quarterly report pursuant to Section 13 or 15(d)

Summary of Intangible Assets (Detail)

v3.7.0.1
Summary of Intangible Assets (Detail) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 4,252 $ 4,183
Accumulated Amortization (2,472) (2,425)
Net Carrying Value 1,780 1,758
Capitalized software    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 3,016 2,933
Accumulated Amortization (2,196) (2,157)
Net Carrying Value 820 776
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 109 131
Accumulated Amortization (55) (70)
Net Carrying Value 54 61
Franchise rights    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 128 128
Accumulated Amortization (91) (90)
Net Carrying Value 37 38
Customer lists    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 731 724
Accumulated Amortization (103) (85)
Net Carrying Value 628 639
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 68 67
Accumulated Amortization (27) (23)
Net Carrying Value 41 $ 44
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Carrying value 4  
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Carrying value $ 200