EQUITY (Accumulated balances related to each component of other comprehensive income/(loss)) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Equity [Abstract]
Foreign Currency Translation, Balance at January 1,	$ (222)	$ (343)	$ (424)
Other comprehensive income/(loss), Foreign currency translation	(16)	121	81
Foreign Currency Translation, Balance at December 31,	(238)	(222)	(343)
Derivatives Qualifying as Effective Hedges, Balance at January 1,	(20)	(30)	14
Other comprehensive income/(loss), Derivatives Qualifying as Effective Hedges	56	10	(44)
Derivatives Qualifying as Effective Hedges, Balance at December 31,	36	(20)	(30)
Pension and Other Postretirement Benefits, Balance at January 1,	(2,163)	(2,158)	(2,258)
Other comprehensive income/(loss), Pension and Other Postretirement Benefits	(742)	(5)	100
Pension and Other Postretirement Benefits, Balance at December 31,	(2,905)	(2,163)	(2,158)
Available for Sale Securities, Balance at January 1,	34	(10)	(51)
Other comprehensive income/(loss), Available for Sale Securities	28	44	41
Available for Sale Securities, Balance at December 31,	62	34	(10)
Accumulated Other Comprehensive Income/(Loss), Balance at January 1,	(2,371)	(2,541)	(2,719)
Total Other comprehensive income/(loss), accumulated other comprehensive income/(loss)	(674)	170	178
Accumulated Other Comprehensive Income/(Loss), Balance at December 31,	$ (3,045)	$ (2,371)	$ (2,541)