INCOME TAXES (Uncertain Tax Position) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013
Reconciliation of Total Gross Unrecognized Tax Benefits [Roll Forward]
Gross unrecognized tax benefits, beginning balance	$ 240	$ 266		$ 409
Increases related to positions taken on items from prior years	92	42		385
Decreases related to positions taken on items from prior years	(6)	(57)		(137)
Increases related to positions taken in the current year	10	10		10
Settlement of uncertain tax positions with tax authorities	(56)	(13)		(393)
Decreases due to expiration of statutes of limitations	0	(8)		(8)
Gross unrecognized tax benefits, ending balance	280	240		266
Unrecognized tax benefits that would impact effective tax rate	206	233
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	80	15		71
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 159	$ 109
Argentina [Member]
Income Tax Contingency [Line Items]
Earliest open year	2008	2007
Brazil [Member]
Income Tax Contingency [Line Items]
Earliest open year	2006	2008	[1]
Canada [Member]
Income Tax Contingency [Line Items]
Earliest open year	2010	2010
Germany [Member]
Income Tax Contingency [Line Items]
Earliest open year	2006	2006
Italy [Member]
Income Tax Contingency [Line Items]
Earliest open year	2011	2009
The Netherlands [Member]
Income Tax Contingency [Line Items]
Earliest open year	2013	2013
Switzerland [Member]
Income Tax Contingency [Line Items]
Earliest open year	2012	2011
Federal Income Tax [Member]
Income Tax Contingency [Line Items]
Earliest open year	2004	2004
State and Local Income Tax [Member]
Income Tax Contingency [Line Items]
Earliest open year	2004	2004
Non-Income Tax Contingencies Related To Issues In US And Foreign Locations [Member]
Income Tax Contingency [Line Items]
Loss Contingency, Estimate of Possible Loss	$ 64	$ 93
Provision (credit) for income taxes [Member]
Income Tax Contingency [Line Items]
Tax charge related to adjusted uncertain tax position				$ 276
Minimum [Member]
Income Tax Contingency [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	60
Maximum [Member]
Income Tax Contingency [Line Items]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ (140)

[1] Amended returns filed in 2015 for years 2006 and 2009.