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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The following table presents the weighted average fair value of each option grant and the underlying weighted average assumptions, as of the grant date, using the Black-Scholes option-pricing model:
 
 
December 31,
 
 
2013
 
2012
 
2011
Expected volatility
 
23
%
 
26
%
 
31
%
Expected annual dividend yield
 
1
%
 
1
%
 
—
%
Expected option term (years)
 
6

 
6

 
6

Risk-free interest rate
 
1.13
%
 
1.08
%
 
2.65
%
Fair value at grant date
 
$
2.23

 
$
3.04

 
$
4.54
Schedule of Share Based Compensation Summary of Financial Statement Components Stock Options
The following table summarizes the components of stock-based compensation related to employee stock options recognized in the Company’s financial statements:
 
 
December 31,
 
 
2013
 
2012
 
2011
 
 
(in millions)
Pre-tax compensation expense
 
$
2

 
$
2

 
$
7

Tax benefit
 
(1
)
 
(1
)
 
(2
)
Stock options expense, net of tax
 
$
1

 
$
1

 
$
5

Total intrinsic value of options exercised
 
$
5

 
$
10

 
$
8

Total fair value of options vested
 
2

 
5

 
7

Cash received from the exercise of stock options
 
13

 
9

 
4
Schedule of Share-based Compensation, Stock Options, Activity
A summary of the option activity for the year ended December 31, 2013 follows (number of options in thousands, dollars in millions except per option amounts):
 
 
Options
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Term (in years)
 
Aggregate Intrinsic Value
Outstanding at December 31, 2012
 
7,883

 
$
14.91

 
 
 
 
Exercised
 
(1,349
)
 
9.56

 
 
 
 
Forfeited and expired
 
(1,097
)
 
16.70

 
 
 
 
Granted
 
1,428

 
11.25

 
 
 
 
Outstanding at December 31, 2013
 
6,865

 
$
14.91

 
5.1
 
$
12

Vested and expected to vest at December 31, 2013
 
6,618

 
$
15.04

 
5.0
 
$
11

Eligible for exercise at December 31, 2013
 
4,646

 
$
16.42

 
3.6
 
$
6
Schedule of Share Based Compensation Summary of Financial Statement Components Restricted Stock Units Without Market Conditions
The following table summarizes the components of the Company’s stock-based compensation related to its employee RSUs recognized in the Company’s consolidated financial statements:
 
 
December 31,
 
 
2013
 
2012
 
2011
 
 
(in millions)
RSU expense before income tax
 
$
12

 
$
11

 
$
11

Tax benefit
 
(3
)
 
(3
)
 
(3
)
RSU expense, net of tax
 
$
9

 
$
8

 
$
8

Total value of RSUs converted(1)
 
$
10

 
$
9

 
$
5

Total fair value of RSUs vested
 
$
12

 
$
12

 
$
10


(1)
Amount represents fair market value on the date of conversion.
Schedule of Share Based Compensation Restricted Stock Units Without Market Conditions Activity Table
A summary of the activity of RSUs for the year ended December 31, 2013 follows (number of RSUs in thousands):
 
 
RSUs
 
Weighted Average Grant Date Fair Values
 
Weighted Average Remaining Vesting Term
Nonvested at December 31, 2012
 
2,092

 
$
13.02

 
 
Vested
 
(942
)
 
12.82

 
 
Forfeited and expired
 
(337
)
 
12.55

 
 
Granted
 
1,444

 
11.19

 
 
Nonvested at December 31, 2013
 
2,257

 
$
12.01

 
1.8
Vested at December 31, 2013
 
2,315

 
$
8.68

 
 
Vested and expected to vest at December 31, 2013
 
4,353

 
$
10.26

 
 
Schedule of Share Based Compensation Restricted Stock Units Without Market Condition Vested And Converted
The table below summarizes the RSUs that vested and were converted during the years ended December 31, 2013, 2012, and 2011 (number of RSUs in thousands):
 
 
2013
 
2012
 
2011
RSUs vested during the year
 
942

 
1,138

 
982

RSUs converted during the year, net of shares withheld for taxes
 
905

 
761

 
442

Shares withheld for taxes
 
407

 
312

 
150
Schedule of Share Based Compensation Summary of Financial Statement Components Restricted Stock Units With Market Conditions
The following table summarizes the components of the Company’s stock-based compensation related to its PSUs recognized in the Company’s consolidated financial statements:
 
 
December 31,
 
 
2013
 
2012
 
2011
 
 
(in millions)
PSU expense before income tax
 
$
4

 
$
5

 
$
5

Tax benefit
 
(1
)
 
(1
)
 
(1
)
PSU expense, net of tax
 
$
3

 
$
4

 
$
4

Total value of PSUs converted(1)
 
$
—

 
$
—

 
$
—

Total fair value of PSUs vested
 
—

 
2

 
—


(1)
Amount represents fair market value on the date of conversion.
Schedule of Share Based Compensation Restricted Stock Units With Market Conditions Activity
A summary of the activity of PSUs for the year ended December 31, 2013 follows (number of PSUs in thousands):
 
 
PSUs
 
Weighted Average Grant Date Fair Values
 
Weighted Average Remaining Vesting Term
Nonvested at December 31, 2012
 
1,082

 
$
14.96

 
 
Vested
 
—

 
—

 
 
Forfeited and expired
 
(367
)
 
12.94

 
 
Granted
 
624

 
12.23

 
 
Nonvested at December 31, 2013
 
1,339

 
$
14.24

 
1.4
Vested at December 31, 2013
 
343

 
$
6.68

 
 
Vested and expected to vest at December 31, 2013
 
1,486

 
12.68

 
 
Schedule of Share Based Compensation Restricted Stock Units With Market Condition Vested and Converted
The table below summarizes the PSUs that vested and were converted during the years ended December 31, 2013, 2012, and 2011 (number of PSUs in thousands):
 
 
2013
 
2012
 
2011
PSUs vested during the year
 
—

 
343

 
—

PSUs converted during the year, net of shares withheld for taxes
 
—

 
—

 
—

Shares withheld for taxes
 
—

 
—

 
—