RETIREMENT BENEFITS (Details 3) (USD $) In Millions, unless otherwise specified							3 Months Ended		9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2013 Pension liability adjustments	Sep. 30, 2012 Pension liability adjustments	Sep. 30, 2013 Pension liability adjustments	Sep. 30, 2012 Pension liability adjustments	Sep. 30, 2013 Pension liability adjustments Effect of change in the measurement policy from annually to quarterly
Change in accumulated other comprehensive income (loss)
Beginning-of-period balance, net of tax	$ (18,798)	$ (19,924)	$ (16,896)	$ (15,566)	$ (17,749)	$ (17,788)	$ (4,615)	$ (4,265)	$ (5,270)	$ (4,282)
Actuarial assumptions changes and plan experience							315		1,911
Net asset gain due to actual returns exceeding expected returns							(204)		(1,141)
Net amortizations							64		209
Prior service credit							161		161
Curtailment/settlement impact							(2)		(2)
Foreign exchange impact and other							(8)		207
Change in deferred taxes, net							28		(370)
Change, net of tax							298	(24)	953	(7)	(22)
End-of-period balance, net of tax	$ (18,798)	$ (19,924)	$ (16,896)	$ (15,566)	$ (17,749)	$ (17,788)	$ (4,317)	$ (4,289)	$ (4,317)	$ (4,289)