Receivables (Details) - USD ($) $ in Millions	Apr. 01, 2016	Apr. 03, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net of allowance for doubtful accounts	$ 1,831	$ 1,682	[1]
Billed trade receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net of allowance for doubtful accounts	1,068	1,014
Unbilled recoverable amounts under contracts in progress
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net of allowance for doubtful accounts	595	488
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, net of allowance for doubtful accounts	$ 168	$ 180

[1] Certain prior year balances were adjusted to give effect to discontinued operations as described in Note 4, for certain errors in previously issued financial statements related to income taxes as described in Note 1, and for the retrospective application of ASU 2015-17 and ASU 2016-09 as described in Note 1.