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Accrued Liabilities - Accrued Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Accrued Liabilities [Line Items]      
Customer prepayments and billings $ 699 $ 686  
Compensation 511 468  
Accrued vendor costs 444 280  
Warranty 194 211 215
Taxes (non income) 150 119  
Insurance 108 103  
Fair value of derivatives 18 83  
Interest 14 7  
Other 433 419  
Total $ 2,571 $ 2,376