CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Net income	$ 1,375		$ 1,771		$ 4,262		$ 5,137
Other comprehensive income (loss) items:
Foreign currency translation adjustments			(25)		(8)		(12)
Pension and postretirement adjustments	11	[1]	9	[1]	24	[1]	23	[1]
Unrealized (losses) gains on derivatives	(2)	[2]	24	[2]	10	[2]	20	[2]
Reclassification of realized losses (gains) on derivatives and other			25	[3]	(24)	[3]	74	[3]
Other comprehensive income (loss), net of tax	9		33		2		105
Comprehensive income	$ 1,384		$ 1,804		$ 4,264		$ 5,242

[1] Net of tax (expense) of $(6) and $(5) for the three months ended September 30, 2012 and 2011, respectively, and $(14) and $(13) for the nine month periods ended September 30, 2012 and 2011.

[2] Net of tax (expense)/benefit of $1 and $(13) for the three months ended September 30, 2012 and 2011, respectively, and $(7) and $(11) for the nine months ended September 30, 2012 and 2011.

[3] Net of tax (expense)/benefit of zero and $(14) for the three months ended September 30, 2012 and 2011, respectively, and $14 and $(41) for the nine months ended September 30, 2012 and 2011.