Net Loss Per Share - Calculation of Basic and Diluted Net Loss Per Share (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
Feb. 23, 2013	Feb. 25, 2012	Feb. 26, 2011
Net loss per share from continuing operations-basic:
Net loss from continuing operations available to common stockholders	$ (263)	$ (110)	$ (200)
Weighted average shares outstanding-basic	212	212	212
Net loss per share from continuing operations-basic	$ (1.24)	$ (0.52)	$ (0.94)
Net loss per share from continuing operations-diluted:
Net loss from continuing operations used for diluted net earnings per share calculation	$ (263)	$ (110)	$ (200)
Weighted average shares outstanding-basic	212	212	212
Dilutive impact of options and restricted stock outstanding
Weighted average shares outstanding-diluted	212	212	212
Net loss per share from continuing operations-diluted	$ (1.24)	$ (0.52)	$ (0.94)

The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) derived from continuing operations during 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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+ Details

- 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.

+ References+ Details

- 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.

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-Glossary Weighted-Average Number of Common Shares Outstanding

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+ Details