CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Net income	$ 1,328		$ 1,817		$ 2,887		$ 3,366
Other comprehensive income (loss) items:
Foreign currency translation adjustments	(12)		7		(8)		13
Pension and postretirement adjustments	8	[1]	7	[1]	13	[1]	14	[1]
Unrealized (losses) gains on derivatives	(2)	[2]	21	[2]	12	[2]	(4)	[2]
Reclassification of realized losses (gains) on derivatives and other	4	[3]	35	[3]	(24)	[3]	49	[3]
Other comprehensive income (loss), net of tax	(2)		70		(7)		72
Comprehensive income	$ 1,326		$ 1,887		$ 2,880		$ 3,438

[1] Net of tax (expense) of $(5) and $(4) for the three months ended June 30, 2012 and 2011, respectively, and $(8) for each of the six month periods ended June 30, 2012 and 2011.

[2] Net of tax (expense)/benefit of zero and $(13) for the three months ended June 30, 2012 and 2011, respectively, and $(8) and $2 for the six months ended June 30, 2012 and 2011.

[3] Net of tax (expense)/benefit of $(2) and $(19) for the three months ended June 30, 2012 and 2011, respectively, and $15 and $(27) for the six months ended June 30, 2012 and 2011.