Income Tax Expense - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Jan. 03, 2020	Dec. 28, 2018
Income Tax Disclosure [Line Items]
U.S. Federal statutory rate	21.00%	21.00%
De-recognition of deferred tax asset			$ 33
Mandatory deemed repatriation tax liability, provisional amount		$ 230		$ 178
Provisional income tax expense (benefit) related to decision to change indefinite reinvestment assertion		$ 134		$ 144
Unrecognized tax benefits	$ 696		696
Penalties and interest accrued on unrecognized tax benefits	131		131
Potential payables related to unrecognized tax benefits	$ 708		708
Internal Revenue Service (IRS)
Income Tax Disclosure [Line Items]
Federal tax related to adjustments for transfer pricing			535
Internal Revenue Service (IRS) | Tax Year 2008 Through 2009
Income Tax Disclosure [Line Items]
Federal tax, subject to interest			516
Internal Revenue Service (IRS) | Tax Years 2010 Through 2012
Income Tax Disclosure [Line Items]
Federal tax, subject to interest			$ 549