Discontinued Operations - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Jun. 30, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale			$ 5
Tax expense related to valuation allowances		75
Tax expense to establish deferred tax liability related to earnings that are no longer permanently reinvested		81
Tax benefit related to decrease in the amount of unrecognized tax positions		71
Pretax impairment charge		10
Tax expense (benefit) recognized	1	170
North American Fresh Bakery And European Bakery
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax expense (benefit) associated with discontinued operation		116
International Coffee and Tea
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax expense (benefit) associated with discontinued operation		132
Discrete tax expense (benefit) recognized during period net		85
European Bakery
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pretax impairment charge		371
North American Refrigerated Dough
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax expense (benefit) recognized		158
Goodwill that has no tax basis		$ 254