v2.4.0.6
Provision for Income Taxes (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Current:      
Federal $ 1,724 $ 1,657 $ 1,531
State 274 458 450
Foreign 248 167 148
Total 2,246 2,282 2,129
Deferred:      
Federal 452 (25) (273)
State (109) 47 13
Foreign 0 (13) (8)
Total 343 9 (268)
Provision for income taxes $ 2,589 $ 2,291 $ 1,861