Pension and Other Benefit Plans - Fair Value by Investment Category and Level Within Fair Value Hierarchy (Details) (USD $) In Millions, unless otherwise specified	Apr. 03, 2015		Mar. 28, 2014		Mar. 29, 2013
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets			$ 209		$ 6
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	548		328
Insurance contracts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	328		0
Non-US pension plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,802		2,824
Non-US pension plans | Fixed income commingled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	944		951
Non-US pension plans | Fixed income commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Fixed income commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	944		951
Non-US pension plans | Fixed income commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Alternative Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	511	[1]	486	[1]
Non-US pension plans | Alternative Investments | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3	[1]	0	[1]
Non-US pension plans | Alternative Investments | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	392	[1]	460	[1]
Non-US pension plans | Alternative Investments | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	116	[1]	26	[1]
Non-US pension plans | Hedge Funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	169	[2]	177	[2]
Non-US pension plans | Hedge Funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	[2]	0	[2]
Non-US pension plans | Hedge Funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	[2]	0	[2]
Non-US pension plans | Hedge Funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	169	[2]	177	[2]
Non-US pension plans | Cash and Cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	34		16
Non-US pension plans | Cash and Cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	30		0
Non-US pension plans | Cash and Cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4		16
Non-US pension plans | Cash and Cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,802		2,824
Non-US pension plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	33		0
Non-US pension plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,480		2,615
Non-US pension plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	289		209
Non-US pension plans | Unsettled trade receivables and accrued income
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Global/International Equity commingled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	817		899
Non-US pension plans | Global/International Equity commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Global/International Equity commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	817		899
Non-US pension plans | Global/International Equity commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Global equity mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	122		81
Non-US pension plans | Global equity mutual funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Global equity mutual funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	122		81
Non-US pension plans | Global equity mutual funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | U.S./North American Equity commingled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	64		47
Non-US pension plans | U.S./North American Equity commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | U.S./North American Equity commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	64		47
Non-US pension plans | U.S./North American Equity commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	141		167
Non-US pension plans | Insurance contracts | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
Non-US pension plans | Insurance contracts | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	137		161
Non-US pension plans | Insurance contracts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4		6
US pension and other postretirement benefit plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,903		3,345
US pension and other postretirement benefit plans | U.S. Domestic Stocks
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	149		256
US pension and other postretirement benefit plans | U.S. Domestic Stocks | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	149		256
US pension and other postretirement benefit plans | U.S. Domestic Stocks | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | U.S. Domestic Stocks | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Global/International Stocks
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	23		38
US pension and other postretirement benefit plans | Global/International Stocks | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	23		38
US pension and other postretirement benefit plans | Global/International Stocks | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Global/International Stocks | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Domestic Equity commingled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	455		582
US pension and other postretirement benefit plans | Domestic Equity commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4		5
US pension and other postretirement benefit plans | Domestic Equity commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	451		577
US pension and other postretirement benefit plans | Domestic Equity commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Global Equity commingled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	154		312
US pension and other postretirement benefit plans | Global Equity commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Global Equity commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	154		312
US pension and other postretirement benefit plans | Global Equity commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Fixed income mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	102
US pension and other postretirement benefit plans | Fixed income mutual funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	102
US pension and other postretirement benefit plans | Fixed income mutual funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
US pension and other postretirement benefit plans | Fixed income mutual funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0
US pension and other postretirement benefit plans | Fixed income commingled funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	498		774
US pension and other postretirement benefit plans | Fixed income commingled funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3		3
US pension and other postretirement benefit plans | Fixed income commingled funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	495		771
US pension and other postretirement benefit plans | Fixed income commingled funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Mortgage and asset backed securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	52		89
US pension and other postretirement benefit plans | Mortgage and asset backed securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Mortgage and asset backed securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	52		89
US pension and other postretirement benefit plans | Mortgage and asset backed securities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Corporate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	41		54
US pension and other postretirement benefit plans | Corporate | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Corporate | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	41		54
US pension and other postretirement benefit plans | Corporate | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | U.S. Treasuries
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	23		57
US pension and other postretirement benefit plans | U.S. Treasuries | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | U.S. Treasuries | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	23		57
US pension and other postretirement benefit plans | U.S. Treasuries | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Non U.S. Government
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2		2
US pension and other postretirement benefit plans | Non U.S. Government | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Non U.S. Government | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2		2
US pension and other postretirement benefit plans | Non U.S. Government | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | U.S. Government Agencies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1		3
US pension and other postretirement benefit plans | U.S. Government Agencies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | U.S. Government Agencies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1		3
US pension and other postretirement benefit plans | U.S. Government Agencies | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Alternative Investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	833	[3]	823	[3]
US pension and other postretirement benefit plans | Alternative Investments | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	305	[3]	324	[3]
US pension and other postretirement benefit plans | Alternative Investments | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	528	[3]	499	[3]
US pension and other postretirement benefit plans | Alternative Investments | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	[3]	0	[3]
US pension and other postretirement benefit plans | Hedge Funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	548	[4]	328	[4]
US pension and other postretirement benefit plans | Hedge Funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	[4]	0	[4]
US pension and other postretirement benefit plans | Hedge Funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	[4]	0	[4]
US pension and other postretirement benefit plans | Hedge Funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	548	[4]	328	[4]
US pension and other postretirement benefit plans | Cash and Cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	30		54
US pension and other postretirement benefit plans | Cash and Cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1		0
US pension and other postretirement benefit plans | Cash and Cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	29		54
US pension and other postretirement benefit plans | Cash and Cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0		0
US pension and other postretirement benefit plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,911		3,372
US pension and other postretirement benefit plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	587		626
US pension and other postretirement benefit plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,776		2,418
US pension and other postretirement benefit plans | Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	548		328
US pension and other postretirement benefit plans | Unsettled trade receivables and accrued income
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	21		28
US pension and other postretirement benefit plans | Unsettled trade payables and accrued expenses
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	(29)		(55)
Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	80		82		84
US pension plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,903		3,345
US pension plans | Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,823		3,263		3,125
US pension plans | Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	80		82
Non-US pension plans
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,802		2,824
Non-US pension plans | Insurance contracts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	289		209
Non-US pension plans | Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,802		2,824		2,550
Non-US pension plans | Other Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0		$ 0

[1] Represents real estate, and other commingled funds consisting mainly of equities, bonds, or commodities.

[2] Represents investments in diversified fund of hedge funds.

[3] Represents institutional funds consisting mainly of equities, bonds, or commodities.

[4] Represents investments in diversified fund of hedge funds in which the CSC pension plans are the sole investor.