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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME        
Unrealized gains (losses) on derivatives, tax $ 0 $ (4) $ 3 $ (1)
Reclassification to income of realized losses (gains) on derivatives, tax 0 0 (5) 2
Pension and postretirement gains, tax (3) (6) (5) (11)
Other comprehensive income (loss) related to noncontrolling interests $ 0 $ 0 $ 0 $ 0