BUSINESS SEGMENTS (Revenues by Geographic Area of Customer) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Revenues by geographic area of customer [Line Items]
Revenues	$ 20,921	[1]	$ 18,010	[1]	$ 20,880	[1]
United States [Member]
Revenues by geographic area of customer [Line Items]
Revenues	9,418	[1]	6,285	[1]	7,176	[1]
Japan [Member]
Revenues by geographic area of customer [Line Items]
Revenues	2,141	[1]	2,181	[1]	2,501	[1]
Indonesia [Member]
Revenues by geographic area of customer [Line Items]
Revenues	1,651	[1]	2,054	[1]	2,266	[1]
Spain [Member]
Revenues by geographic area of customer [Line Items]
Revenues	1,223	[1]	1,581	[1]	1,643	[1]
Switzerland [Member]
Revenues by geographic area of customer [Line Items]
Revenues	1,098	[1]	731	[1]	1,219	[1]
China [Member]
Revenues by geographic area of customer [Line Items]
Revenues	1,078	[1]	579	[1]	942	[1]
Chile [Member]
Revenues by geographic area of customer [Line Items]
Revenues	754	[1]	704	[1]	741	[1]
Korea [Member]
Revenues by geographic area of customer [Line Items]
Revenues	297	[1]	525	[1]	561	[1]
Others [Member]
Revenues by geographic area of customer [Line Items]
Revenues	$ 3,261	[1]	$ 3,370	[1]	$ 3,831	[1]

[1] Revenues are attributed to countries based on the location of the customer.