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Debt and Other Commitments - Summary of Debt Obligations (Details) - USD ($)	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019	Mar. 23, 2021	Aug. 31, 2018	Jun. 30, 2014
Term Notes
Debt Instrument [Line Items]
Unamortized discounts and debt issuance costs	$ (7,000,000)
Net carrying amount of debt	993,000,000
Less: current portion	0
Long-term debt, non-current	993,000,000
Interest expense recognized	14,000,000
Term Notes | Level 2
Debt Instrument [Line Items]
Fair value of term notes outstanding (Level 2)	996,000,000
Term Notes | Term Notes Due 2031
Debt Instrument [Line Items]
Principal amount of notes outstanding	500,000,000			$ 500,000,000
Term Notes | Term Notes Due 2023
Debt Instrument [Line Items]
Principal amount of notes outstanding	500,000,000			$ 500,000,000
Convertible Senior Notes
Debt Instrument [Line Items]
Unamortized discount of liability component of convertible senior notes	(48,000,000)	$ (83,000,000)
Net carrying amount of debt	702,000,000	1,184,000,000
Less: current portion	0	(511,000,000)
Long-term debt, non-current	702,000,000	673,000,000
Carrying value of equity component of convertible senior notes, net of debt issuance costs	$ 126,000,000	$ 213,000,000
Weighted-average remaining amortization period of discount on the liability component of convertible senior notes	1 year 7 months 6 days	2 years 4 months 24 days
Interest expense recognized	$ 36,000,000	$ 46,000,000	$ 51,000,000
Convertible Senior Notes | Level 2
Debt Instrument [Line Items]
Fair value of convertible senior notes outstanding (Level 2)	854,000,000	1,595,000,000
Convertible Senior Notes | 2023 Notes
Debt Instrument [Line Items]
Principal amount of notes outstanding	750,000,000	750,000,000			$ 750,000,000
Convertible Senior Notes | 2021 Notes
Debt Instrument [Line Items]
Principal amount of notes outstanding	$ 0	$ 517,000,000				$ 517,000,000

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