Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 9 Months Ended | |||||||||||||
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Sep. 29, 2018 |
Sep. 30, 2017 |
Sep. 29, 2018 |
Sep. 30, 2017 |
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| Numerator – Net income (loss): | |||||||||||||||
| Numerator for basic earnings (loss) per share | [1],[2] | $ 102 | $ 61 | $ 299 | [3],[4] | $ (14) | [3],[4] | ||||||||
| Denominator - Weighted average shares: | |||||||||||||||
| Denominator for basic earnings (loss) per share (in shares) | [1] | 987 | 957 | 976 | 947 | ||||||||||
| Effect of potentially dilutive shares: | |||||||||||||||
| Employee stock options and restricted stock units (in shares) | 34 | 44 | 35 | 0 | |||||||||||
| Warrants (in shares) | 55 | 41 | 47 | 0 | |||||||||||
| Denominator for diluted earnings (loss) per share (in shares) | [1] | 1,076 | 1,042 | 1,058 | 947 | ||||||||||
| Earnings (loss) per share: | |||||||||||||||
| Basic (in usd per share) | [1] | $ 0.10 | $ 0.06 | $ 0.31 | $ (0.01) | ||||||||||
| Diluted (in usd per share) | [1] | $ 0.09 | $ 0.06 | $ 0.28 | $ (0.01) | ||||||||||
| 2.125% Convertible Senior Notes due 2026 | |||||||||||||||
| Debt Instrument [Line Items] | |||||||||||||||
| Stated interest rate | 2.125% | 2.125% | |||||||||||||
| Stock Options, Restricted Stock Units, Conversion of Notes, and Warrants Under Warrant Agreement | |||||||||||||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | |||||||||||||||
| Anti-dilutive shares (in shares) | 103 | 102 | 104 | 193 | |||||||||||
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- References No definition available.
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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