STOCK INCENTIVE PLANS (Tables)

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Abstract]

Schedule of Issuance of Restricted Stock Units and Aggregate Weighted Average Grant Date Fair Values

The following table details our issuance of restricted stock units and the aggregate weighted average grant date fair values under these plans for the years indicated.

	Nine Months Ended September 30,
(dollars in millions)	2019		2018
Restricted stock units	1,182,197		958,720
Weighted average grant date fair values	$	13	$	13

Summary of Activity Relating to Restricted Stock Units

The following table summarizes the activity relating to restricted stock units during the periods indicated:

TABLE 11.2

	Nine Months Ended September 30,
	2019				2018
	Units		Weighted Average Grant Price per Share		Units		Weighted Average Grant Price per Share
Unvested units outstanding at beginning of period	2,556,174		$	13.51	1,975,862		$	13.64
Granted	1,182,197		10.94		958,720		13.21
Vested	(655,208	)	13.15		(257,712	)	13.18
Forfeited/expired	(325,253	)	12.72		(209,438	)	13.36
Dividend reinvestment	80,738		11.62		60,938		13.72
Unvested units outstanding at end of period	2,838,648		12.54		2,528,370		13.55

Schedule of Certain Information Related to Restricted Stock Units

The following table provides certain information related to restricted stock units:

TABLE 11.3

(in millions)	Nine Months Ended September 30,
	2019		2018
Stock-based compensation expense	$	8	$	7
Tax benefit related to stock-based compensation expense	2		2
Fair value of units vested	7		3

Components of Restricted Stock Units

The components of the restricted stock units as of September 30, 2019 are as follows:

TABLE 11.4

(dollars in millions)	Service- Based Units		Performance- Based Units		Total
Unvested restricted stock units	1,911,335		927,313		2,838,648
Unrecognized compensation expense	$	12	$	5	$	17
Intrinsic value	$	22	$	11	$	33
Weighted average remaining life (in years)	2.01		1.98		2.00

Summary of Activity Relating to Stock Options

The following table summarizes the activity relating to stock options during the periods indicated:

TABLE 11.5 

	Nine Months Ended September 30,
	2019				2018
	Shares		Weighted Average Exercise Price per  Share		Shares		Weighted Average Exercise Price per  Share
Options outstanding at beginning of period	458,354		$	7.99	722,650		$	7.96
Exercised	(48,507	)	7.48		(214,781	)	7.91
Forfeited/expired	(12,219	)	6.51		(4,834	)	11.65
Options outstanding and exercisable at end of period	397,628		8.10		503,035		7.97