Consolidated Statement 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
Profit of consolidated and affliated companies	$ 1,702	$ 1,154	$ 5,022	$ 3,419
Other Comprehensive Income (Loss), Net of Tax:
Foreign currency translation, net of tax (expense)/benefit of: Three months ended: 2012-$11, 2011-($69); Nine months ended: 2012 - ($5), 2011 - $15	193	(534)	35	(212)
Pension and other postretirement benefits:
Current year actuarial gain (loss), net of tax (expense)/benefit of: Three months ended: 2012-$91, 2011-$0; Nine months ended: 2012-$83, 2011-$0	(155)	0	(140)	0
Amortization of acturial (gain) loss, net of tax (expense)/benefit of: Three months ended: 2012-$(61), 2011-$(46); Nine months ended: 2012-($181), 2011-($158)	114	92	340	299
Current year prior service credit (cost), net of tax (expense)/benefit of: Three months ended: 2012-($3), 2011- $0; Nine months ended: 2012-($1), 2011-$0	4	0	1	0
Amortization of prior service (credit) cost, net of tax (expense)/benefit of: Three months ended: 2012-$4, 2011-$3; Nine months ended: 2012-$12, 2011-$9	(8)	(5)	(23)	(15)
Amortization of transition (asset) obligation, net of tax (expense)/benefit of: Three months ended: 2012-$0, 2011-($1); Nine months ended: 2012-$0, 2011-($1)	1	0	2	1
Derivative financial instruments:
Gains (losses) deferred, net of tax (expense)/benefit of: Three months ended: 2012-$5, 2011-($21); Nine months ended: 2012-$21, 2011-($15)	(7)	37	(35)	24
(Gains) losses reclassified to earnings, net of tax (expense)/benefit of: Three months ended: 2012-($5), 2011-$14; Nine months ended: 2012-($6), 2011-$14	9	(25)	10	(21)
Available-for-sale securities:
Gains (losses) deferred, net of tax (expense)/benefit of: Three months ended: 2012-($8), 2011-$13; Nine months ended: 2012-($13), 2011-$8	12	(20)	28	(11)
(Gains) losses reclassified to earnings, net of tax (expense)/benefit of: Three months ended: 2012 - $0, 2011 - $0; Nine months ended: 2012-$0, 2011-$0	(1)	(1)	(3)	(2)
Total other comprehensive income (loss), net of tax	162	(456)	215	63
Comprehensive Income	1,864	698	5,237	3,482
Less: comprehensive income attributable to the noncontrolling interests	(3)	(32)	(20)	(69)
Comprehensive income attributable to the company	$ 1,861	$ 666	$ 5,217	$ 3,413