Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended				0 Months Ended	1 Months Ended
	Mar. 28, 2014	Mar. 29, 2013	Mar. 30, 2012	Apr. 01, 2011	Apr. 30, 2013	May 31, 2013
Sources of income before income taxes [Abstract]
Domestic entities	$ 574	$ (113)	$ (764)
Entities outside the United States	689	348	(228)
Income (loss) from continuing operations before taxes	1,263	235	(992)
Income tax expense (benefit) on income from continuing operations, current [Abstract]
Federal	81	(330)	(80)
State	7	(5)	11
Foreign	126	174	92
Total Current	214	(161)	23
Income tax expense (benefit) on income from continuing operations, deferred [Abstract]
Federal	119	76	(212)
State	25	(18)	(33)
Foreign	25	41	(6)
Total Deferred	169	99	(251)
Total income tax expense (benefit)	383	(62)	(228)
Interest and penalties for uncertain tax positions included in current provision (benefit)		(9)	10	(53)
Difference between the U.S. federal statutory tax rate and effective tax rate [Abstract]
Statutory rate (in hundredths)	35.00%	35.00%	(35.00%)
State income tax, net of federal tax (in hundredths)	1.80%	(2.60%)	(1.90%)
Change in uncertain tax positions (in hundredths)	2.90%	2.40%	2.50%
Foreign tax rate differential (in hundredths)	2.80%	(126.70%)	(23.50%)
Income tax credits (in hundredths)	(0.30%)	(0.10%)	(2.60%)
Valuation allowance (in hundredths)	(11.80%)	175.20%	40.40%
Change in entity tax status (in hundredths)	0.00%	(0.70%)	(3.20%)
Loss on sale of securities (in hundredths)	(0.80%)	105.40%	0.00%
Tax audit settlements (in hundredths)	0.00%	0.00%	11.20%
Goodwill impairment (in hundredths)	0.00%	0.00%	8.10%
Other items, net (in hundredths)	(0.90%)	(3.50%)	3.40%
Effective tax rate (in hundredths)	30.30%	(26.40%)	(23.00%)
Gross increases related to current year tax positions	10	8	25
Tax settlements			111
Change in entity tax status			114
Change in entity tax status (in hundredths)			11.50%
Gain (loss) on sale of securities		640
Income tax impact of loss on sale of securities		248
Change in valuation allowance, foreign subsidiary		77
Change in valuation allowance, foreign subsidiary (in hundredths)		32.80%
Change in valuation allowance due to change in global income		76
Change in valuation allowance due to change in global income (in hundredths)		32.30%
Change in valuation allowance due to sale of assets		11.5
Change in valuation allowance due to sale of assets (in hundredths)		4.90%
Change in valuation allowance due losses and credits not expected to be utilized		29.6
Change in valuation allowance due losses and credits not expected to be utilized (in hundredths)		12.60%
Valuation allowance, local		240.5
Valuation allowance, local (in hundredths)		102.30%
Foreign tax rate differential		240.5
Foreign tax rate differential (in hundredths)		102.30%
Deferred tax assets [Abstract]
Employee benefits	333	558
Tax loss/credit carryforwards	919	1,056
Accrued interest	20	47
State taxes	10	13
Foreign gain/loss on exchange	2	14
Contract Accounting	38	0
Other assets	66	111
Total Deferred Tax Assets	1,388	1,799
Valuation allowance	(1,006)	(1,244)
Net Assets	382	555
Deferred tax liabilities [Abstract]
Depreciation and amortization	(341)	(322)
Contract accounting	0	(53)
Investment basis differences	(126)	(128)
Other liabilities	(112)	(75)
Total Deferred Tax Liabilities	(579)	(578)
Total Deferred Tax Assets (Liabilities)	(197)	(23)
Current [Abstract]
Deferred Tax Assets, Net of Valuation Allowance, Current	11	24
Income Taxes Receivable, Current	92	239
Liability for Uncertain Tax Positions, Current	0	8
Deferred Tax Assets, Gross, Current	103	271
Non-current [Abstract]
Income Taxes Receivable, Noncurrent	123	70
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	123	184
Deferred Tax Assets, Gross, Noncurrent	246	254
Income Tax Assets, Current and Noncurrent	349	525
Current [Abstract]
Deferred Tax Liabilities, Net, Current	(25)	0
Accrued Income Taxes, Current	(52)	(41)
Deferred Tax Liabilities, Gross, Current	(77)	(41)
Non-current [Abstract]
Deferred Tax Liabilities, Net, Noncurrent	(307)	(231)
Liability for Uncertain Tax Positions, Noncurrent	(250)	(270)
Deferred Tax Liabilities, Gross, Noncurrent	(557)	(501)
Deferred Tax Liabilities, Gross	(634)	(542)
Valuation Allowance, Deferred Tax Asset, Change in Amount	1,006	238
Cumulative Undistributed Earnings Of Foreign Subsidiaries		3,110
INDIA
Non-current [Abstract]
Current Foreign Tax Rate, Dividend Distribution Tax, Percent					16.22%	16.99%
Transfer Pricing and Foreign Exchange Losses [Member]
Difference between the U.S. federal statutory tax rate and effective tax rate [Abstract]
Change in uncertain tax positions (in hundredths)	2.90%
Gross increases related to current year tax positions	36
Global Health [Member]
Difference between the U.S. federal statutory tax rate and effective tax rate [Abstract]
Valuation allowance (in hundredths)	4.60%
Change in valuation allowance	58.0
Investment Recoveries, Luxemburg [Member]
Difference between the U.S. federal statutory tax rate and effective tax rate [Abstract]
Valuation allowance (in hundredths)	7.20%
Change in valuation allowance	90.6
Foreign Tax Rate Differential [Member]
Difference between the U.S. federal statutory tax rate and effective tax rate [Abstract]
Valuation allowance (in hundredths)	7.20%
Change in valuation allowance	90.6
Restructuring of Operating Subsidiary [Member]
Income tax expense (benefit) on income from continuing operations, deferred [Abstract]
Total income tax expense (benefit)	$ 10
Difference between the U.S. federal statutory tax rate and effective tax rate [Abstract]
Other items, net (in hundredths)	0.80%