Quarterly report pursuant to Section 13 or 15(d)

Summary of Intangible Assets (Detail)

v2.4.0.8
Summary of Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 2,904 $ 2,608
Accumulated Amortization (2,133) (2,005)
Net Carrying Value 771 603
Trademarks, licenses, patents, and other
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 257 163
Accumulated Amortization (98) (80)
Net Carrying Value 159 83
Customer lists
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 146 131
Accumulated Amortization (87) (79)
Net Carrying Value 59 52
Franchise rights
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 117 117
Accumulated Amortization (69) (64)
Net Carrying Value 48 53
Capitalized software
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 2,384 2,197
Accumulated Amortization (1,879) (1,782)
Net Carrying Value $ 505 $ 415