Income Taxes Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Apr. 01, 2016	Mar. 31, 2017	Apr. 01, 2016
Income Tax Disclosure [Abstract]
Income tax expense	$ 56	$ 6	$ 237	$ 30
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount			91
Valuation Allowance, Deferred Tax Asset, Increase (Decrease) as a result of acquisition			111
Other Tax Expense (Benefit)			(98)
Decrease in Unrecognized Tax Benefits is Reasonably Possible	14		14
Unrecognized Tax Benefits	505		505
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 92		92
Estimated additional federal tax expense as a result of examination			$ 795