BUSINESS SEGMENT INFORMATION (Geographic Information) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 5,449	$ 5,254	$ 5,144	$ 4,929	$ 5,243	$ 4,922	$ 4,871	$ 4,391	$ 20,776	$ 19,427	$ 16,560
Property, plant and equipment	5,001				4,980				5,001	4,980
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									11,358	10,720	8,188
Property, plant and equipment	3,617				3,865				3,617	3,865
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									4,988	4,215	3,491
Property, plant and equipment	1,266				1,003				1,266	1,003
Rest Of World [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									3,877	3,964	4,142
Property, plant and equipment	$ 118				$ 112				118	112
Other Region [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues									$ 553	$ 528	$ 739
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of Total Revenue									7.00%	7.00%	10.00%