Quarterly report pursuant to Section 13 or 15(d)

Summary of Intangible Assets (Detail)

v2.4.0.6
Summary of Intangible Assets (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 2,716 $ 2,608
Accumulated Amortization (2,062) (2,005)
Net Carrying Value 654 603
Trademarks, licenses, patents, and other
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 211 163
Accumulated Amortization (89) (80)
Net Carrying Value 122 83
Customer lists
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 129 131
Accumulated Amortization (81) (79)
Net Carrying Value 48 52
Franchise rights
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 117 117
Accumulated Amortization (66) (64)
Net Carrying Value 51 53
Capitalized software
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 2,259 2,197
Accumulated Amortization (1,826) (1,782)
Net Carrying Value $ 433 $ 415