Income Tax Expense (Benefit) Additional Information (Details Textuals) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 29, 2018	Mar. 30, 2018	Dec. 29, 2017	Mar. 30, 2018	Mar. 31, 2017
Income Tax Disclosure [Line Items]
U.S. federal statutory income tax rate, percent			35.00%	28.00%
Tax cuts and jobs act of 2017, provisional income tax expense amount				$ 1,660
Tax cuts and jobs Act of 2017, change in tax rate, income tax expense (benefit) provisional amount		$ 9		$ (79)
Deferred tax assets, projected effective rate at which position will reverse		29.00%		29.00%
Deferred tax liabilities, projected effective rate at which position will reverse		22.00%		22.00%
Tax cuts and jobs act of 2017, transition tax for accumulated foreign earnings, liability, incomplete accounting, provisional amount				$ 1,660
Tax cuts and jobs act of 2017, transition tax for accumulated foreign earnings, liability, current, incomplete accounting, provisional amount		$ 132		132
Excess tax benefit from share-based compensation, operating activities		46		73
Deferred tax assets, valuation allowance					$ 111
Extinguishment of debt, amount					(98)
Unrecognized tax benefits, period increase (decrease)				(17)
Unrecognized tax benefits		505		505
Income tax penalties and interest accrued		$ 105		105
Scenario, Forecast
Income Tax Disclosure [Line Items]
U.S. federal statutory income tax rate, percent	21.00%
SanDisk
Income Tax Disclosure [Line Items]
Deduction, premiums And issuance costs from debt financing transactions					$ 91
Internal Revenue Service (IRS)
Income Tax Disclosure [Line Items]
Current federal tax expense (benefit)				795
Make Whole Premiums
Income Tax Disclosure [Line Items]
Deduction, premiums And issuance costs from debt financing transactions				$ (211)