EMPLOYEE STOCK BENEFIT PLANS

3 Months Ended

Mar. 31, 2016

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

Employee Stock Benefit Plans [Text Block]

EMPLOYEE STOCK BENEFIT PLANS

Stock-based compensation expense was as follows:

	Three Months Ended March 31,
Dollars in Millions	2016		2015
Restricted stock units	$	20	$	21
Market share units	9		9
Performance share units	18		24
Total stock-based compensation expense	$	47	$	54
Income tax benefit	$	15	$	18

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

	Three Months Ended March 31, 2016
Units in Millions	Units	Weighted-Average Fair Value
Restricted stock units	2.1	$	61.23
Market share units	0.7	65.26
Performance share units	1.1	64.87

Unrecognized compensation cost related to nonvested awards of $492 million is expected to be recognized over a weighted-average period of 2.9 years.