Derivative Instruments and Fair Value Measurements - Other Fair Value Measurements (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Millions	Jul. 02, 2016	Jul. 04, 2015
Fair Value | Level 3
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure	$ 10	$ 15
Changes in fair value | Level 3
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure	(16)	(67)
Long-Lived Assets | Fair Value | Level 3
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure	10	15
Long-Lived Assets | Changes in fair value | Level 3
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure	(16)	(67)
Long-Lived Assets | North America Other | Manufacturing Facility | Carrying Value
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure		31
Long-Lived Assets | North America Other | Manufacturing Facility | Fair Value
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure		13
Long-Lived Assets | U.S. Snacks | Manufacturing Facility | Carrying Value
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure	26
Long-Lived Assets | U.S. Snacks | Manufacturing Facility | Fair Value
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure	$ 10
Long-Lived Assets | Venezuelan Subsidiary [Member] | Carrying Value
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure		51
Long-Lived Assets | Venezuelan Subsidiary [Member] | Fair Value
Derivatives, Fair Value [Line Items]
Assets, Fair Value Disclosure		$ 2