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- Definition

Number of warrants or rights exercised during the period.

+ References

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- Definition

Number of shares issued during the period as a result of cashless warrant exercise.

+ References

No definition available.

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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.

+ References

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- Definition

Number of warrants or rights outstanding.

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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.

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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.

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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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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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Significant Accounting Policies (Details) (Components of Basic and Diluted Income (loss)) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Numerator—Net income (loss):
Net loss	$ (364)us-gaap_NetIncomeLoss	$ 17us-gaap_NetIncomeLoss	$ (36)us-gaap_NetIncomeLoss	$ (20)us-gaap_NetIncomeLoss	$ 89us-gaap_NetIncomeLoss	$ 48us-gaap_NetIncomeLoss	$ (74)us-gaap_NetIncomeLoss	$ (146)us-gaap_NetIncomeLoss	$ (403)us-gaap_NetIncomeLoss	$ (83)us-gaap_NetIncomeLoss	$ (1,183)us-gaap_NetIncomeLoss
Denominator—Weighted average shares:
Basic and diluted									768,000,000	754,000,000	741,000,000
Basic
Basic net loss per share	$ (0.47)us-gaap_EarningsPerShareBasic	$ 0.02us-gaap_EarningsPerShareBasic	$ (0.05)us-gaap_EarningsPerShareBasic	$ (0.03)us-gaap_EarningsPerShareBasic	$ 0.12us-gaap_EarningsPerShareBasic	$ 0.06us-gaap_EarningsPerShareBasic	$ (0.10)us-gaap_EarningsPerShareBasic	$ (0.19)us-gaap_EarningsPerShareBasic	$ (0.53)us-gaap_EarningsPerShareBasic	$ (0.11)us-gaap_EarningsPerShareBasic	$ (1.60)us-gaap_EarningsPerShareBasic
Diluted
Diluted net loss per share	$ (0.47)us-gaap_EarningsPerShareDiluted	$ 0.02us-gaap_EarningsPerShareDiluted	$ (0.05)us-gaap_EarningsPerShareDiluted	$ (0.03)us-gaap_EarningsPerShareDiluted	$ 0.12us-gaap_EarningsPerShareDiluted	$ 0.06us-gaap_EarningsPerShareDiluted	$ (0.10)us-gaap_EarningsPerShareDiluted	$ (0.19)us-gaap_EarningsPerShareDiluted	$ (0.53)us-gaap_EarningsPerShareDiluted	$ (0.11)us-gaap_EarningsPerShareDiluted	$ (1.60)us-gaap_EarningsPerShareDiluted
WCH Warrant [Member]
Diluted
Warrant, exercise date									Mar. 07, 2014
Warrant, exercised									34,906,166
Warrant, common shares issued from cashless exercise									35,000,000
Warrant, outstanding	0								0
Stock Options, Restricted Stock and Restricted Stock Units
Diluted
Antidilutive securities excluded from computation of earnings per share									48,000,000	59,000,000	45,000,000
5.75% Convertible Senior Notes
Diluted
Antidilutive securities excluded from computation of earnings per share											15,000,000