PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Change in Projected Benefit Obligations, Plan Assets and Funded Status of All Significant Plans) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Amortization of Net Gains (Losses)	$ (507)
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	23
Defined Benefit Plan, Change in Benefit Obligations [Roll Forward]
Benefit Obligations, Beginning Balance	26,840		22,763
Service cost	471		378		347
Interest cost	1,012		1,093		1,121
Plan participants' contributions	17		38
Actuarial changes in assumptions and experience	2,029		(3,811)
Acquisition/divestiture/other activity	0		(51)
Benefits paid	(1,322)		(1,347)
Currency impact	123		150
Termination benefits/curtailment cost/settlements	(85)	[1]	5
Benefit Obligations, Ending Balance	25,027		26,840		22,763
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning balance	17,725		16,119
Actual return on plan assets	1,548		1,950
Currency impact	85		129
Employer contributions	865		903
Plan participants' contributions	17		38
Acquisition/divestiture/other activity	(91)		(67)
Benefits paid	(1,322)		(1,347)
Fair value of plan assets, ending balance	18,827		17,725		16,119
Funded status at end of year	(6,200)		(9,115)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent assets	139		92
Current liabilities	(66)		(69)
Noncurrent liabilities	(6,273)		(9,138)
Net amounts recognized in the consolidated balance sheets	(6,200)		(9,115)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net loss (gain)	7,815		10,951
Prior service cost (credit)	103		128
Pretax balance in AOCI at end of year	(7,918)		(11,079)
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Amortization of Net Gains (Losses)	14
Defined Benefit Plan, Amortization of Net Prior Service Cost (Credit)	(2)
Defined Benefit Plan, Change in Benefit Obligations [Roll Forward]
Benefit Obligations, Beginning Balance	2,210		2,088
Service cost	19		17		15
Interest cost	78		92		100
Plan participants' contributions	0		0
Actuarial changes in assumptions and experience	401		164
Acquisition/divestiture/other activity	0		0
Benefits paid	(156)		(164)
Currency impact	(8)		4	[1]
Termination benefits/curtailment cost/settlements	0		9
Benefit Obligations, Ending Balance	1,742		2,210		2,088
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning balance	65		154
Actual return on plan assets	0		1
Currency impact	0		0
Employer contributions	0		(10)
Plan participants' contributions	0		0
Acquisition/divestiture/other activity	0		0
Benefits paid	(65)		(80)
Fair value of plan assets, ending balance	0		65		154
Funded status at end of year	(1,742)		(2,145)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent assets	0		0
Current liabilities	(157)		(99)
Noncurrent liabilities	(1,585)		(2,046)
Net amounts recognized in the consolidated balance sheets	(1,742)		(2,145)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net loss (gain)	(253)		155
Prior service cost (credit)	(7)		(11)
Pretax balance in AOCI at end of year	$ 260		$ (144)

[1] The 2013 impact primarily relates to settlements associated with the wind-up of a Canadian pension plan.