Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Jul. 05, 2019	Jun. 29, 2018	Mar. 29, 2019
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 511		$ 446
Income tax expense (benefit)	82	$ (4)
Decrease in unrecognized tax benefit, reasonable possible amount in the next 12 months	30
Altera Corp. v. Commissioner
Income Tax Contingency [Line Items]
Income tax expense (benefit)	62
Deferred Income Tax Liabilities
Income Tax Contingency [Line Items]
Unrecognized tax benefits	94
Long-term Income Taxes Payable
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 417