Increase in the amount of stock authorized under the repurchase plan.

No definition available.

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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.

+ References

No definition available.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Common stock transactions (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended			6 Months Ended
	Aug. 24, 2016	Jul. 29, 2016	Apr. 29, 2016	Jul. 31, 2015	Jul. 29, 2016	Jul. 31, 2015
Common stock transactions
Cash dividend paid (in dollars per share)		$ 0.25	$ 0.25	$ 0.22	$ 0.50	$ 0.44
Cash dividend declared (in dollars per share)	$ 0.25
Common Stock \| Pursuant to Authorized Repurchase Program
Common stock transactions
Common stock repurchase program, increase in the authorized amount	$ 1,000.0
Common stock repurchase authorization	5,000.0
Remaining authorization available under the common stock repurchase program	$ 1,400.0
Shares acquired under share repurchase program					5.2	9.7
Aggregate purchase price					$ 454.5	$ 734.3