Components of Accumulated Other Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 28, 2014		Jun. 29, 2013		Jun. 30, 2012		Jun. 28, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	$ (141)						$ (149)
Business dispositions	0		75		772
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	205		249		803
Cumulative Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	1		16		219		0
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(1)		0		0
Amortization of net actuarial loss and prior service credit	0		0		0
Net actuarial gain arising during the period	0		0		0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax			0		0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0		0		0
Business dispositions			(15)	[1]	127	[2]
Other comprehensive income (loss) activity					(133)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	0		(6)	[3]	(17)	[3]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(1)		(21)		(23)
Stockholders' Equity Note, Spinoff Transaction			6	[4]	(180)	[4]
Net Unrealized Gain (Loss) On Qualifying Cash Flow Hedges And Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	0		8		6		1
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(1)		6		5
Amortization of net actuarial loss and prior service credit	0		0		0
Net actuarial gain arising during the period	0		0		0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax			0		0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	2	[5]	(18)	[5]	(1)	[5]
Business dispositions			0		0
Other comprehensive income (loss) activity					(2)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	0	[3]	4	[3]	0	[3]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	1		(8)		2
Stockholders' Equity Note, Spinoff Transaction			0		0
Pension/Postretirement Liability Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	(142)		(168)		(490)		(150)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(12)		41		(111)
Amortization of net actuarial loss and prior service credit	(7)	[6]	(8)	[6]	11	[6]
Net actuarial gain arising during the period	6	[6]	5	[6]	(15)	[6]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax			2	[6]	38	[6]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0		0		0
Business dispositions			0		0
Other comprehensive income (loss) activity					30	[6]
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	5	[3]	(14)	[3]	26	[3]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(8)		26		(21)
Stockholders' Equity Note, Spinoff Transaction			0		343
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at beginning of period	(141)		(144)		(265)		(149)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(14)		47		(106)
Amortization of net actuarial loss and prior service credit	(7)		(8)		11
Net actuarial gain arising during the period	6		5		(15)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax			2		38
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	2		(18)		(1)
Business dispositions			(15)		127
Other comprehensive income (loss) activity					(105)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	5		(16)		9
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(8)		(3)		(42)
Stockholders' Equity Note, Spinoff Transaction			$ 6		$ 163

[1] Included in Gain on sale of discontinued operations in the Consolidated Statements of Income related to the sale of the Australian Bakery business

[2] Included in Gain on sale of discontinued operations in the Consolidated Statements of Income

[3] Included as Income tax expense (benefit) in the Consolidated Statements of Income

[4] Recorded as part of spin-off of International coffee and tea business within retained earnings

[5] Included as Cost of sales in the Consolidated Statements of Income

[6] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 16 - Defined Benefit Pension Plans and Note 17 - Postretirement Health-care and Life-Insurance Plans for additional details)