v2.4.0.6
Financial Instruments - Long-Term Debt (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Debt Instrument [Line Items]    
Long-term debt $ 34,931 [1],[2] $ 38,410 [1],[2]
Current portion not included above 6 3,502
Senior Unsecured Debt At 6.20 March 2019 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 3,248 [3] 3,247 [3]
Debt instrument, rate 6.20% [3]  
Senior Unsecured Debt At 5.35 March 2015 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 3,069 [3] 3,000 [3]
Debt instrument, rate 5.35% [3]  
Senior Unsecured Debt At 7.20 March 2039 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 2,948 [3] 2,564 [3]
Debt instrument, rate 7.20% [3]  
Senior Unsecured Debt At 4.75 Euro June 2016 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 2,583 [4] 2,665 [4]
Debt instrument, rate 4.75% [4]  
Senior Unsecured Debt At 5.75 Euro June 2021 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 2,581 [4] 2,662 [4]
Debt instrument, rate 5.75% [4]  
Senior Unsecured Debt At 3.625 Euro June 2013 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 2,392 [4] 2,466 [4]
Debt instrument, rate 3.625% [4]  
Senior Unsecured Debt At 6.50 U.K. Pound June 2038 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 2,306 [4] 2,306 [4]
Debt instrument, rate 6.50% [4]  
Senior Unsecured Debt At 5.95 April 2037 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 2,088 2,089
Debt instrument, rate 5.95%  
Senior Unsecured Debt At 5.50 February 2014 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 1,893 1,921
Debt instrument, rate 5.50%  
Senior Unsecured Debt At 5.50 March 2013 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 1,564 1,608
Debt instrument, rate 5.50%  
Senior Unsecured Debt At 4.55 Euro May 2017 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 1,325 1,322
Debt instrument, rate 4.55%  
Senior Unsecured Debt At 4.75 Euro December 2014 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 1,266 1,302
Debt instrument, rate 4.75%  
Senior Unsecured Debt At 5.50 February 2016 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 1,061 1,074
Debt instrument, rate 5.50%  
Senior Unsecured Debt At 4.45 March 2012 [Member]
    
Debt Instrument [Line Items]    
Long-term debt   3,543 [5]
Debt instrument, rate 4.45% [5]  
Notes And Other Debt At 5.28 2012-2018 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 2,302 [6] 2,342 [6]
Debt instrument, rate 5.28% [6]  
Notes And Other Debt At 6.51 2021-2036 [Member]
    
Debt Instrument [Line Items]    
Long-term debt 3,440 [7] 3,464 [7]
Debt instrument, rate 6.51% [7]  
Foreign currency notes and other foreign currency debt with a weighted average interest rate 2.48 2014-2016 [Member]
    
Debt Instrument [Line Items]    
Long-term debt $ 865 [8] $ 835 [8]
Debt instrument, rate 2.48% [8]  
[1] Includes foreign currency debt with fair values of $919 million at December 31, 2011 and $880 million at December 31, 2010, which are used as hedging instruments.
[2] The fair value of our long-term debt is $40.1 billion at December 31, 2011 and $42.3 billion at December 31, 2010.
[3] Instrument is callable by us at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at the U.S. Treasury rate plus 0.50% plus, in each case, accrued and unpaid interest.
[4] Instrument is callable by us at any time at the greater of 100% of the principal amount or the sum of the present values of the remaining scheduled payments of principal and interest discounted at a comparable government bond rate plus 0.20% plus, in each case, accrued and unpaid interest.
[5] At December 31, 2011, the note was called.
[6] Contains debt issuances with a weighted-average maturity of approximately 5 years.
[7] Contains debt issuances with a weighted-average maturity of approximately 18 years.
[8] Contains debt issuances with a weighted-average maturity of approximately 4 years.