EMPLOYEE STOCK BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule Of Share Based Compensation Expense [Table Text Block]

Stock-based compensation expense was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
Dollars in Millions	2016		2015		2016		2015
Restricted stock units	$	23	$	20	$	66	$	62
Market share units	9		9		27		27
Performance share units	16		34		56		87
Total stock-based compensation expense	$	48	$	63	$	149	$	176
Income tax benefit	$	16	$	20	$	50	$	58

Schedule of Share-based Compensation, Activity [Table Text Block]

The number of units granted and the weighted-average fair value on the grant date were as follows:

	Nine Months Ended September 30, 2016
Units in Millions	Units	Weighted-Average Fair Value
Restricted stock units	2.2	$	61.26
Market share units	0.7	65.26
Performance share units	1.1	64.87