Fair Value (Textual) (Details) (USD $)	9 Months Ended
	Dec. 27, 2013	Mar. 29, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration	$ 137,000,000
Transfers between Level 1 and Level 2	0
Impairment charges during the period	0
Long-term debt, excluding capital leases	2,184,000,000	2,498,000,000
Accounts receivable with customers involved in bankruptcy proceedings	15,000,000
Allowance for doubtful accounts with customers involved in bankruptcy proceedings	10,000,000
Other assets with customers in bankruptcy proceedings	1,000,000
Accounts Payable with Customers in Bankruptcy Proceedings	4,000,000
Carrying amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, excluding capital leases	1,856,000,000	2,119,000,000
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, excluding capital leases	2,021,000,000	2,324,000,000
Fair Value | Fair Value, Measurements, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration	137,000,000
Minimum | Fair Value | Fair Value, Measurements, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration	0
Maximum | Fair Value | Fair Value, Measurements, Recurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration	$ 137,000,000