Pension and Other Benefit Plans Pension and Other Benefit Plans 2 (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		$ 5
Asset acquired in purchase of iSOFT
Actual return on plan assets relating to assets still held at the reporting date		1
Actual return on plan assets relateing to assets sold during the period		0
Purchases, sales, and settlements		0
Transfers in and / or out of Level 3		0
Changes due to exchange rates		0
Ending balance		6
Actual Plan asset allocations	100.00%	100.00%
Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	0
Actual return on plan assets relating to assets still held at the reporting date	(2)
Actual return on plan assets relateing to assets sold during the period	0
Purchases, sales, and settlements	330
Transfers in and / or out of Level 3	0
Changes due to exchange rates	0
Ending balance	328
Insurance contracts [Member] | Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	6
Actual return on plan assets relating to assets still held at the reporting date	0
Actual return on plan assets relateing to assets sold during the period	0
Purchases, sales, and settlements	164
Transfers in and / or out of Level 3	32
Changes due to exchange rates	7
Ending balance	209
Other Postretirement Benefit Plans, Defined Benefit [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	84	81
Changes due to exchange rates	(1)	0
Ending balance	82	84	81
Defined Benefit Plan, Expected Return on Plan Assets	5	5	6
Other Postretirement Benefit Plans, Defined Benefit [Member] | Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	59.00%	29.00%
Other Postretirement Benefit Plans, Defined Benefit [Member] | Debt Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	38.00%	19.00%
Other Postretirement Benefit Plans, Defined Benefit [Member] | Cash and Other Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	3.00%	52.00%
United States Pension Plans of US Entity, Defined Benefit [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Ending balance	3,345	3,209
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Ending balance	82	84
United States Pension Plans of US Entity, Defined Benefit [Member] | Pension Plans, Defined Benefit [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	3,125	2,419
Changes due to exchange rates	0	0
Ending balance	3,263	3,125	2,419
Defined Benefit Plan, Expected Return on Plan Assets	202	160	146
United States Pension Plans of US Entity, Defined Benefit [Member] | Pension Plans, Defined Benefit [Member] | Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	35.00%	58.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Pension Plans, Defined Benefit [Member] | Debt Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	29.00%	38.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Pension Plans, Defined Benefit [Member] | Alternative Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	34.00%	0.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Pension Plans, Defined Benefit [Member] | Cash and Other Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	2.00%	4.00%
Non-US pension plans [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Ending balance	2,824	2,550
Non-US pension plans [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Ending balance	0	0
Non-US pension plans [Member] | Pension Plans, Defined Benefit [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	2,550	2,295
Changes due to exchange rates	205	(142)
Ending balance	2,824	2,550	2,295
Defined Benefit Plan, Expected Return on Plan Assets	$ 165	$ 124	$ 129
Non-US pension plans [Member] | Pension Plans, Defined Benefit [Member] | Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	36.00%	38.00%
Non-US pension plans [Member] | Pension Plans, Defined Benefit [Member] | Debt Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	34.00%	51.00%
Non-US pension plans [Member] | Pension Plans, Defined Benefit [Member] | Alternative Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	24.00%	4.00%
Non-US pension plans [Member] | Pension Plans, Defined Benefit [Member] | Cash and Other Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Actual Plan asset allocations	6.00%	7.00%