Income Taxes (Schedule of Changes in Unrecognized Tax Benefits) (Detail) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
Jan. 01, 2016	Jan. 30, 2015	Jan. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Additions for tax positions related to current year	$ 5	$ 2	$ 0
Additions for tax positions related to prior years	4	11	2
Reductions for tax positions related to prior years	(15)	(5)	0
Settlements with taxing authorities	0	1	0
Lapse of statute of limitations	0	(4)	(9)
Unrecognized tax benefits at end of year	11	17	14
Unrecognized tax benefits at beginning of year	17	14	21
Unrecognized tax benefits that, if recognized, would affect the effective income tax rate	$ 7	$ 5	$ 6

Unrecognized tax benefits increases resulting from prior period tax positions and settlements with tax authorities.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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- Definition

Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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- Definition

Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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