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Basis of Presentation Narrative (Detail) (USD $)
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6 Months Ended | |||
|---|---|---|---|---|
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Feb. 28, 2011
King [Member]
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Jan. 31, 2011
King [Member]
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Jul. 03, 2011
King US [Member]
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Jul. 03, 2011
King International [Member]
|
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| Basis of Presentation [Line Items] | ||||
| Acquisition purchase price paid | $ 3,300,000,000 | |||
| Percent of outstanding shares initially acquired | 92.50% | |||
| Acquisition price for remaining outstanding shares | $ 300,000,000 | |||
| Time period of King's operations included in parent's financial statements | P5M | P4M | ||