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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) (USD $)
In Millions
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Statement of Income and Comprehensive Income [Abstract]    
Derivatives qualifying as cash flow hedges, taxes$ (23)$ 30$ 3 
Derivatives qualifying as cash flow hedges reclassified to net earnings, taxes(9)6(16)3
Pension and postretirement benefits, taxes   4
Pension and postretirement benefits reclassified to net earnings, taxes(11)(12)(30)(35)
Available for sale securities, taxes$ (3) $ (6)$ (1)