Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Profit of consolidated and affiliated companies	$ 1,611	$ 1,243
Other comprehensive income, net of tax:
Foreign currency translation, net of tax (expense)/benefit of: 2012 - $17; 2011 - $63	181	225
Pension and other postretirement benefits:
Current year actuarial gain (loss), net of tax (expense)/benefit of: 2012 - $(6); 2011 - $0	10
Amortization of actuarial (gain) loss, net of tax (expense)/benefit of: 2012 - $(60); 2011 - $(53)	113	99
Current year prior service credit (cost), net of tax (expense)/benefit of: 2012 - $2; 2011 - $0	(3)
Amortization of prior service (credit) cost, net of tax (expense)/benefit of: 2012 - $4; 2011 - $3	(8)	(5)
Amortization of transition (asset) obligation, net of tax (expense)/benefit of: 2012 - $0; 2011 - $0	1	1
Derivative financial instruments:
Gains (losses) deferred, net of tax (expense)/benefit of: 2012 - $16; 2011 - $(10)	(26)	17
(Gains) losses reclassified to earnings, net of tax (expense)/benefit of: 2012 - $1; 2011 - $5	(2)	(7)
Available-for-sale securities:
Gains (losses) deferred, net of tax (expense)/benefit of: 2012 - $(9); 2011 - $(3)	21	5
(Gains) losses reclassifed to earnings, net of tax (expense)/benefit of: 2012 - $0; 2011 - $0	(2)
Total other comprehensive income, net of tax	285	335
Comprehensive income	1,896	1,578
Less: comprehensive income attributable to the noncontrolling interests	(15)	(26)
Comprehensive income attributable to the company	$ 1,881	$ 1,552