Management Compensation Plans 
General Plan Description
The 2018 GIP enables the compensation committee of the Board of Directors (and the Board of Directors as to non-management directors) to award incentive and nonqualified stock options, stock appreciation rights, shares of Common Stock, restricted stock awards, RSUs and incentive bonuses (which may be paid in cash or stock or a combination thereof), any of which may be performance-based, with vesting and other award provisions that provide effective incentive to Company employees (including officers), non-management directors and other service providers.
Total shares available for awards and total shares subject to outstanding awards are as follows:
 
As of December 31, 2019
 
Shares
Available for
Awards
 
Shares
Subject to
Outstanding
Awards
2018 GIP
6,244,945

 
473,903

2009 GIP

 
959,696


Restricted Stock Units
A summary of changes in nonvested performance-based RSUs outstanding is as follows:
 
Number of
Units
 
Weighted
Average
Grant Date
Fair Value
 
(In thousands)
 
(In $)
As of December 31, 2018
812

 
75.25

Granted
259

 
92.61

Additional performance-based RSUs granted(1)
330

 
56.14

Vested
(663
)
 
56.14

Forfeited
(88
)
 
90.70

As of December 31, 2019
650

 
89.86

______________________________
(1) 
Represents additional 2016 performance-based RSU grants that were awarded in 2019 as a result of achieving internal profitability targets.
The fair value of shares vested for performance-based RSUs is as follows:
 
Year Ended December 31,
 
2019
 
2018
 
2017
 
(In $ millions)
Total
66

 
8

 
42


A summary of changes in nonvested time-based RSUs outstanding is as follows:
 
Number of
Units
 
Weighted
Average
 Grant Date
Fair Value
 
(In thousands)
 
(In $)
As of December 31, 2018
386

 
86.69

Granted
228

 
96.22

Vested
(188
)
 
80.95

Forfeited
(25
)
 
90.42

As of December 31, 2019
401

 
94.56


The fair value of shares vested for time-based RSUs is as follows:
 
Year Ended December 31,
 
2019
 
2018
 
2017
 
(In $ millions)
Total
20

 
21

 
12


The weighted average grant date fair value of RSUs granted is as follows:
 
Year Ended December 31,
 
2019
 
2018
 
2017
 
(In $ millions)
Total
46

 
48

 
59


As of December 31, 2019, there was $42 million of unrecognized compensation cost related to RSUs, excluding actual forfeitures, which is expected to be recognized over a weighted average period of 2 years.
The Company realized income tax benefits from RSU vestings as follows:
 
Year Ended December 31,
 
2019
 
2018
 
2017
 
(In $ millions)
Income tax benefit realized
6

 
7

 
9


About Stock Compensation Disclosures

Stock-based compensation disclosures detail the equity awards granted to employees and executives — including stock options, restricted stock units (RSUs), and performance shares — along with the valuation methods and assumptions used to expense them. This section reveals the true cost of talent retention and the alignment between management incentives and shareholder interests.

Key signals: total unrecognized compensation expense and its expected recognition period signal future earnings headwinds from already-granted awards. For stock options, examine Black-Scholes assumptions — expected volatility, risk-free rate, and expected term — as understating any of these reduces reported compensation expense. Compare stock compensation expense as a percentage of revenue against peers to assess dilution cost. Watch vesting schedules for acceleration clauses tied to change-of-control events. Performance-based awards with undemanding targets may indicate weak governance. Add back stock compensation to operating cash flow to calculate a more conservative free cash flow figure.