STOCK INCENTIVE PLANS (Tables)

6 Months Ended

Jun. 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.

	Six Months Ended June 30,
(dollars in millions)	2019		2018
Restricted stock units	1,128,701		937,155
Weighted average grant date fair values	$	12	$	12

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

	Six Months Ended June 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	1,128,701		10.95		937,155		13.20
Vested	(649,248	)	13.15		(257,712	)	13.18
Forfeited/expired	(305,891	)	12.74		(180,723	)	13.30
Dividend reinvestment	51,679		11.63		38,129		14.02
Unvested units outstanding at end of period	2,781,415		12.60		2,512,711		13.56

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)	Six Months Ended June 30,
	2019		2018
Stock-based compensation expense	$	6	$	5
Tax benefit related to stock-based compensation expense	1		1
Fair value of units vested	7		3

Components of Restricted Stock Units

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

TABLE 11.4

(dollars in millions)	Service- Based Units		Performance- Based Units		Total
Unvested restricted stock units	1,863,588		917,827		2,781,415
Unrecognized compensation expense	$	13	$	7	$	20
Intrinsic value	$	22	$	11	$	33
Weighted average remaining life (in years)	2.19		2.17		2.18

Summary of Activity Relating to Stock Options

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

TABLE 11.5 

	Six Months Ended June 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	(34,432	)	7.86		(197,390	)	7.93
Forfeited/expired	(12,042	)	6.52		(4,598	)	11.65
Options outstanding and exercisable at end of period	411,880		8.05		520,662		7.96