Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Foreign exchange contracts	Foreign exchange contracts Accumulated Other Comprehensive Loss	Forward interest rate swaps	Forward interest rate swaps Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2017		53,236,095
Beginning balance at Dec. 31, 2017	$ 834	$ 1	$ 257	$ (620)	$ 1,248	$ (52)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations (in shares)		634,363
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations	7		(9)	16
Shares withheld related to net share settlement (in shares)		(67,816)
Shares withheld related to net share settlement	(10)			(10)
Share-based compensation	34		34
Repurchase of common stock (in shares)		(101,062)
Repurchase of common stock	(20)			(20)
Net income	306				306
Changes in unrealized gain and losses on sales hedging transactions and forward interest rate swap hedging transactions (net of income taxes)							$ 22	$ 22	$ 8	$ 8
Foreign currency translation adjustment	(7)					(7)
Ending balance (in shares) at Sep. 29, 2018		53,802,642
Ending balance at Sep. 29, 2018	1,213	$ 1	282	(614)	1,573	(29)
Beginning balance (in shares) at Jun. 30, 2018		53,691,978
Beginning balance at Jun. 30, 2018	1,073	$ 1	273	(617)	1,446	(30)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations (in shares)		112,778
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations	2		(1)	3
Shares withheld related to net share settlement (in shares)		(2,114)
Share-based compensation	10		10
Net income	127				127
Changes in unrealized gain and losses on sales hedging transactions and forward interest rate swap hedging transactions (net of income taxes)							0	0	1	1
Foreign currency translation adjustment	0					0
Ending balance (in shares) at Sep. 29, 2018		53,802,642
Ending balance at Sep. 29, 2018	1,213	$ 1	282	(614)	1,573	(29)
Beginning balance (in shares) at Dec. 31, 2018		53,871,184
Beginning balance at Dec. 31, 2018	1,335	$ 1	294	(613)	1,688	(35)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations (in shares)		499,664
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations	7		(6)	13
Shares withheld related to net share settlement (in shares)		(222,668)
Shares withheld related to net share settlement	(43)			(43)
Share-based compensation	36		36
Net income	375				375
Changes in unrealized gain and losses on sales hedging transactions and forward interest rate swap hedging transactions (net of income taxes)							7	7	0	0
Foreign currency translation adjustment	(3)					(3)
Ending balance (in shares) at Sep. 28, 2019		54,047,118
Ending balance at Sep. 28, 2019	1,694	$ 1	324	(663)	2,063	(31)
Beginning balance (in shares) at Jun. 29, 2019		54,107,829
Beginning balance at Jun. 29, 2019	1,559	$ 1	314	(643)	1,927	(40)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations (in shares)		44,215
Issuance of treasury shares upon exercise of stock options, purchases under stock purchase plan and grants of restricted stock awards, net of cancellations	(1)		(2)	1
Shares withheld related to net share settlement (in shares)		(3,864)
Shares withheld related to net share settlement	(1)			(1)
Share-based compensation	12		12
Repurchase of common stock (in shares)		(101,062)
Repurchase of common stock	(20)			(20)
Net income	136				136
Changes in unrealized gain and losses on sales hedging transactions and forward interest rate swap hedging transactions (net of income taxes)							$ 15	$ 15	$ (1)	$ (1)
Foreign currency translation adjustment	(5)					(5)
Ending balance (in shares) at Sep. 28, 2019		54,047,118
Ending balance at Sep. 28, 2019	$ 1,694	$ 1	$ 324	$ (663)	$ 2,063	$ (31)