Share based compensation arrangement by share based payment award equity instruments other than options fair value.

No definition available.

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- Definition

Term for payout of awards over achievement of financial goals.

+ References

No definition available.

+ Details

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

Additional share-based compensation cost recognized as a result of an occurrence of an event that accelerates its recognition.

+ References

No definition available.

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Period Type:	duration

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Stock-Based Awards - Additional Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended		3 Months Ended		6 Months Ended			1 Months Ended	6 Months Ended
	May 31, 2013	Jul. 31, 2012	Sep. 07, 2013	Sep. 08, 2012	Sep. 07, 2013	Sep. 08, 2012	Sep. 07, 2013 Stock Options And Restricted Stock Awards [Member]	Apr. 30, 2012 RSAs [Member] 2012 Stock Plan [Member]	Sep. 07, 2013 RSAs [Member] 2012 Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax stock-based compensation expense related to stock-based awards			$ 3	$ 4	$ 15	$ 9
Accelerated Stock Compensation resulted by deemed change-in-control							$ 9
Award units grant to certain employees	9	8						1
Fair value of the options at grand date	$ 2.78	$ 0.98
Share granted to certain employees at a fair value								$ 6.15
Term for payout of awards over achievement of financial goals									3 years