Management Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Total Shares Available for and Subject to Awards

Total shares available for awards and total shares subject to outstanding awards are as follows:

	As of December 31, 2015
	Shares Available for Awards	Shares Subject to Outstanding Awards
2009 GIP	6,949,926	2,736,369
2004 Stock Incentive Plan	—	94,500	(1)

______________________________

⁽¹⁾  No RSUs remain outstanding under the 2004 Stock Incentive Plan.

Schedule of Realized Income Tax Benefits from Stock Option Exercises and RSU Vestings

The Company realized income tax benefits from stock option exercises and RSU vestings as follows:

	Year Ended December 31,
	2015	2014	2013
	(In $ millions)
Income tax benefit realized	2	2	2
Amount reversed in current year related to prior year	—	—	—

Schedule of Summary of Changes in Stock Options Outstanding

The summary of changes in stock options outstanding is as follows:

	Number of Options		Weighted Average Exercise Price	Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
	(In thousands)		(In $)	(In years)	(In $ millions)
As of December 31, 2014	343		33.72	3.2	7
Granted	—		—
Exercised	(94	)	29.82
Forfeited	—		—
Expired	—		—
As of December 31, 2015	249		35.19	2.4	9
Options exercisable at end of year	239		34.74	2.3	9

Schedule of Black-Scholes Option Pricing Method Assumptions

The weighted average assumptions used in the Black-Scholes option pricing method for stock option grants are as follows:

	Year Ended December 31,
	2015	2014	2013
Risk-free interest rate	N/A	N/A	0.68	%
Estimated life in years	N/A	N/A	4.50
Dividend yield	N/A	N/A	0.64	%
Volatility	N/A	N/A	49.50	%

Schedule of Intrinsic Value of Stock Options Exercises

The total intrinsic value of stock options exercised is as follows:

	Year Ended December 31,
	2015	2014	2013
	(In $ millions)
Intrinsic value	4	7	6

Schedule of Summary of Changes in Performance-based RSUs Outstanding

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, 2014	1,027		48.02
Granted	514		53.13
Additional performance-based RSUs granted(1)	253		47.32
Vested	(506	)	47.32
Canceled	—		—
Forfeited	(57	)	49.12
As of December 31, 2015	1,231		50.24

______________________________

⁽¹⁾  Represents additional performance-based RSU grants in 2013 that were awarded in 2015 as a result of achieving internal profitability targets.

Schedule of Summary of Changes in Time-based RSUs Outstanding

A summary of changes in nonvested time-based RSUs outstanding is as follows:

	Employee Time-Based RSUs			Director Time-Based RSUs
	Number of Units		Weighted Average Grant Date Fair Value	Number of Units		Weighted Average Grant Date Fair Value
	(In thousands)		(In $)	(In thousands)		(In $)
As of December 31, 2014	112		45.87	19		58.48
Granted	75		63.67	14		64.94
Vested	(81	)	43.10	(19	)	58.48
Forfeited	(1	)	48.15	—		—
As of December 31, 2015	105		60.78	14		64.94

Employee Stock Option [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Weighted Average Grant Date Fair Values of Stock Options

The weighted average grant date fair value of stock options granted is as follows:

	Year Ended December 31,
	2015	2014	2013
	(In $)
Total	N/A	N/A	18.50

Performance Shares [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Fair Value of Shares Vested

The fair value of shares vested for performance-based RSUs is as follows:

	Year Ended December 31,
	2015	2014	2013
	(In $ millions)
Total	27	—	10

Time Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Fair Value of Shares Vested

The fair value of shares vested for time-based RSUs is as follows:

	Year Ended December 31,
	2015	2014	2013
	(In $ millions)
Total	6	9	12