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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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