Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' Equity Note [Abstract]

Schedule of Treasury Stock

The share repurchase activity pursuant to this authorization is as follows:

	Year Ended December 31,							Total From February 2008 Through December 31, 2020
	2020		2019		2018
Shares repurchased	5,889,073		9,166,267		7,933,692		(1)	62,768,051
Average purchase price per share	$	110.41	$	109.10	$	103.01		$	76.52
Amount spent on repurchased shares (in millions)	$	650	$	1,000	$	817		$	4,803
Aggregate Board of Directors repurchase authorizations during the period (in millions)	$	500	$	1,500	$	—		$	5,866

______________________________

(1)Excludes 1,700 common shares reacquired pursuant to an employee clawback agreement.

Schedule of Components of Other Comprehensive Income (Loss), Net

	Year Ended December 31,
	2020			2019			2018
	Gross Amount	Income Tax (Provision) Benefit	Net Amount	Gross Amount	Income Tax (Provision) Benefit	Net Amount	Gross Amount	Income Tax (Provision) Benefit	Net Amount
	(In $ millions)
Foreign currency translation	(4)	(4)	(8)	(10)	(6)	(16)	(65)	5	(60)
Gain (loss) on cash flow hedges	(26)	8	(18)	(38)	8	(30)	(12)	2	(10)
Pension and postretirement benefits	(2)	—	(2)	(6)	(1)	(7)	1	(1)	—
Total	(32)	4	(28)	(54)	1	(53)	(76)	6	(70)

Schedule of Adjustments to Accumulated Other Comprehensive Income (Loss), Net

Adjustments to Accumulated other comprehensive income (loss), net, are as follows:

	Foreign Currency Translation Gain (Loss)	Gain (Loss) on Cash Flow Hedges (Note 19)	Pension and Postretirement Benefits Gain (Loss) (Note 13)	Accumulated Other Comprehensive Income (Loss), Net
	(In $ millions)
As of December 31, 2017	(176)	2	(3)	(177)
Other comprehensive income (loss) before reclassifications	(65)	(11)	1	(75)
Amounts reclassified from accumulated other comprehensive income (loss)	—	(1)	—	(1)
Income tax (provision) benefit	5	2	(1)	6
As of December 31, 2018	(236)	(8)	(3)	(247)
Other comprehensive income (loss) before reclassifications	(10)	(36)	(6)	(52)
Amounts reclassified from accumulated other comprehensive income (loss)	—	(2)	—	(2)
Income tax (provision) benefit	(6)	8	(1)	1
As of December 31, 2019	(252)	(38)	(10)	(300)
Other comprehensive income (loss) before reclassifications	(4)	(28)	(2)	(34)
Amounts reclassified from accumulated other comprehensive income (loss)	—	2	—	2
Income tax (provision) benefit	(4)	8	—	4
As of December 31, 2020	(260)	(56)	(12)	(328)