Pension and Other Benefit Plans - Other Benefit Plan, Amounts Recognized in Balance Sheet and AOCI (Details) (Other Postretirement Benefit Plans, Defined Benefit, USD $) In Millions, unless otherwise specified	Apr. 03, 2015	Mar. 28, 2014
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Non-current assets	$ 2	$ 0
Current liabilities - Accrued expenses and other current liabilities	(2)	(4)
Non-current liabilities - Other long-term liabilities	(39)	(135)
Net amount recorded	(39)	(139)
Prior service cost	(95)	(15)
Accumulated other comprehensive loss	$ (95)	$ (15)