Supplementary Information (Long-term Income Taxes Payable) (Details) - USD ($) $ in Millions	Dec. 28, 2018	Mar. 30, 2018
Supplementary Information [Abstract]
Deemed repatriation tax payable	$ 730	$ 824
Uncertain tax positions (including interest and penalties)	325	302
Total long-term income taxes payable	$ 1,055	$ 1,126	[1]

[1] Derived from audited financial statements.