Consolidated Statement of Changes in Stockholders' Equity (USD $) In Millions, unless otherwise specified		Total	Common stock	Treasury stock	Profit employed in the business	Accumulated other comprehensive income (loss)	Noncontrolling interests
Balance at Dec. 31, 2012		$ 17,582	$ 4,481	$ (10,074)	$ 29,558	$ (6,433)	$ 50
Increase (Decrease) in Stockholders' Equity
Profit of consolidated and affiliated companies		882	0	0	880	0	2
Foreign currency translation, net of tax		(366)	0	0	0	(366)	0
Pension and other postretirement benefits, net of tax		136	0	0	0	136	0
Derivative financial instruments, net of tax		(20)	0	0	0	(20)	0
Available-for-sale securities, net of tax		14	0	0	0	14	0
Distribution to noncontrolling interests		(8)	0	0	0	0	(8)
Common shares issued from treasury stock for stock-based compensation: 4,522,294 and 2,436,453 for the three months ended March 31, 2014 and 2013, respectively		8	(61)	69	0	0	0
Stock-based compensation expense		49	49	0	0	0	0
Net excess tax benefits from stock-based compensation		41	41	0	0	0	0
Balance at Mar. 31, 2013		18,318	4,510	(10,005)	30,438	(6,669)	44
Balance at Dec. 31, 2013		20,878	4,709	(11,854)	31,854	(3,898)	67
Increase (Decrease) in Stockholders' Equity
Profit of consolidated and affiliated companies		925	0	0	922	0	3
Foreign currency translation, net of tax		39	0	0	0	40	(1)
Pension and other postretirement benefits, net of tax		80	0	0	0	80	0
Derivative financial instruments, net of tax		(21)	0	0	0	(21)	0
Available-for-sale securities, net of tax		(2)	0	0	0	(2)	0
Change in ownership from noncontrolling interests		2	0	0	0	0	2
Dividends declared		(1)	0	0	(1)	0	0
Distribution to noncontrolling interests		(7)	0	0	0	0	(7)
Common shares issued from treasury stock for stock-based compensation: 4,522,294 and 2,436,453 for the three months ended March 31, 2014 and 2013, respectively		92	(58)	150	0	0	0
Stock-based compensation expense		53	53	0	0	0	0
Net excess tax benefits from stock-based compensation		69	69	0	0	0	0
Common shares repurchased: 18,110,735 for the three months ended March 31, 2014	[1]	(1,738)	0	(1,738)	0	0	0
Balance at Mar. 31, 2014		$ 20,369	$ 4,773	$ (13,442)	$ 32,775	$ (3,801)	$ 64

[1] See Note 11 regarding shares repurchased.