v3.7.0.1
Goodwill and Other Intangible Assets Narrative (Detail)
12 Months Ended
Dec. 31, 2016
USD ($)
Reporting_unit
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Goodwill [Line Items]      
Number of Reporting Units | Reporting_unit 12    
Goodwill, Impairment Loss $ 0 $ 0 $ 0
Goodwill impairment charges recorded 86,000,000 $ 89,000,000 $ 90,000,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
2017 60,000,000    
2018 55,000,000    
2019 52,000,000    
2020 45,000,000    
2021 41,000,000    
Minimum [Member]      
Goodwill [Line Items]      
Goodwill by reporting unit 7,000,000    
Maximum [Member]      
Goodwill [Line Items]      
Goodwill by reporting unit $ 1,100,000,000