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
Sep. 30, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 2,587 $ 2,389
Accumulated Amortization (1,973) (1,804)
Net Carrying Value 614 585
Trademarks, licenses, patents, and other
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 186 146
Accumulated Amortization (89) (54)
Net Carrying Value 97 92
Customer lists
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 130 120
Accumulated Amortization (75) (66)
Net Carrying Value 55 54
Franchise rights
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 111 109
Accumulated Amortization (62) (58)
Net Carrying Value 49 51
Capitalized software
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 2,160 2,014
Accumulated Amortization (1,747) (1,626)
Net Carrying Value $ 413 $ 388