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
Jun. 30, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 2,531 $ 2,389
Accumulated Amortization (1,911) (1,804)
Net Carrying Value 620 585
Trademarks, licenses, patents, and other
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 186 146
Accumulated Amortization (75) (54)
Net Carrying Value 111 92
Customer lists
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 128 120
Accumulated Amortization (72) (66)
Net Carrying Value 56 54
Franchise rights
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 111 109
Accumulated Amortization (61) (58)
Net Carrying Value 50 51
Capitalized software
    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 2,106 2,014
Accumulated Amortization (1,703) (1,626)
Net Carrying Value $ 403 $ 388