v2.4.0.6
Income, Sales-Based And Other Taxes (Deferred Income Tax (Assets) And Liabilities By Balance Sheet Classification) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Income, Sales-Based and Other Taxes [Line Items]    
Other current assets $ (6,229) $ (5,271)
Other assets, including intangibles, net (9,092) (8,640)
Accounts payable and accrued liabilities 57,067 50,034
Deferred income tax liabilities 36,618 35,150
Net deferred tax liabilities 28,059 28,710
Deferred Taxes [Member]
   
Income, Sales-Based and Other Taxes [Line Items]    
Other current assets (4,549) (3,359)
Other assets, including intangibles, net (4,218) (3,527)
Accounts payable and accrued liabilities 208 446
Deferred income tax liabilities 36,618 35,150
Net deferred tax liabilities $ 28,059 $ 28,710