XML 56 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stockholders' Equity Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2017
Equity [Abstract]  
Nonvested stock rollforward
Activity under the Company’s nonvested stock awards and restricted share units for the years ended December 31, 2017, 2016, and 2015 was as follows:
(Shares in thousands, $ in millions)
 
2017
 
2016
 
2015
 
 
Number of
shares/units
 
Weighted
Average
Grant Date
Fair Value
 
Number of
shares/units
 
Weighted
Average Grant
Date Fair
Value
 
Number of
shares
 
Weighted
Average Grant
Date Fair
Value
Nonvested, beginning of year
 
1,852

 
$
51.5

 
1,652

 
$
57.0

 
1,376

 
$
47.8

Granted
 
378

 
7.1

 
682

 
8.4

 
669

 
20.8

Vested
 
(640
)
 
(18.4
)
 
(154
)
 
(4.3
)
 
(23
)
 
(0.8
)
Forfeited
 
(270
)
 
(7.7
)
 
(328
)
 
(9.6
)
 
(370
)
 
(10.8
)
Nonvested, end of year
 
1,320

 
$
32.5

 
1,852

 
$
51.5

 
1,652

 
$
57.0
Schedule of Nonvested Performance-based Units Activity [Table Text Block]
Activity under the Company’s PSUs at target for the years ended December 31, 2017 and 2016 was as follows:
(Shares in thousands, $ in millions)
 
2017
 
2016
 
 
Number of
shares/units
 
Weighted
Average
Grant Date
Fair Value
 
Number of
shares/units
 
Weighted
Average Grant
Date Fair
Value
Nonvested, beginning of year
 
919

 
$
11.3

 
—

 
$
—

Granted
 
590

 
12.4

 
937

 
11.5

Forfeited
 
(68
)
 
(1.0
)
 
(18
)
 
(0.2
)
Nonvested, end of year
 
1,441

 
$
22.7

 
919

 
$
11.3