Financing Arrangements (Details) (USD $)	3 Months Ended							3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		0 Months Ended		0 Months Ended		0 Months Ended
	Jul. 25, 2014	Apr. 25, 2014	Jul. 25, 2014 Senior Notes 2010 Due 2015	Jul. 25, 2014 Senior Notes 2005 Due 2016	Jul. 25, 2014 Senior Notes 2011 Due 2016	Jul. 25, 2014 Senior Notes 2011 Due 2021	Jul. 25, 2014 Senior Notes 2012 Due 2022	Jul. 25, 2014 Commercial Paper	Jul. 25, 2014 Credit Facility	Jul. 25, 2014 Credit Facility Line of Credit Facility 2017	Jul. 25, 2014 Senior Notes Senior Notes 2010 Due 2015	Jul. 25, 2014 Senior Notes Senior Notes 2005 Due 2016	Apr. 25, 2014 Senior Notes Senior Notes 2005 Due 2016	Jul. 25, 2014 Senior Notes Senior Notes 2011 Due 2016	Apr. 25, 2014 Senior Notes Senior Notes 2011 Due 2016	Jul. 25, 2014 Senior Notes Senior Notes 2014 Due 2017 Floating	Apr. 25, 2014 Senior Notes Senior Notes 2014 Due 2017 Floating	Jul. 25, 2014 Senior Notes Senior Notes 2014 Due 2017	Apr. 25, 2014 Senior Notes Senior Notes 2014 Due 2017	Jul. 25, 2014 Senior Notes Senior Notes 2013 Due 2018	Apr. 25, 2014 Senior Notes Senior Notes 2013 Due 2018	Jul. 25, 2014 Senior Notes Senior Notes 2009 Due 2019	Apr. 25, 2014 Senior Notes Senior Notes 2009 Due 2019	Jul. 25, 2014 Senior Notes Senior Notes 2010 Due 2020	Apr. 25, 2014 Senior Notes Senior Notes 2010 Due 2020	Jul. 25, 2014 Senior Notes Senior Notes 2011 Due 2021	Apr. 25, 2014 Senior Notes Senior Notes 2011 Due 2021	Jul. 25, 2014 Senior Notes Senior Notes 2012 Due 2022	Apr. 25, 2014 Senior Notes Senior Notes 2012 Due 2022	Jul. 25, 2014 Senior Notes Senior Notes 2013 Due 2023	Apr. 25, 2014 Senior Notes Senior Notes 2013 Due 2023	Jul. 25, 2014 Senior Notes Senior Notes 2014 Due 2024	Apr. 25, 2014 Senior Notes Senior Notes 2014 Due 2024	Jul. 25, 2014 Senior Notes Senior Notes 2009 Due 2039	Apr. 25, 2014 Senior Notes Senior Notes 2009 Due 2039	Jul. 25, 2014 Senior Notes Senior Notes 2010 Due 2040	Apr. 25, 2014 Senior Notes Senior Notes 2010 Due 2040	Jul. 25, 2014 Senior Notes Senior Notes 2012 Due 2042	Apr. 25, 2014 Senior Notes Senior Notes 2012 Due 2042	Jul. 25, 2014 Senior Notes Senior Notes 2013 Due 2043	Apr. 25, 2014 Senior Notes Senior Notes 2013 Due 2043	Jul. 25, 2014 Senior Notes Senior Notes 2014 Due 2044	Apr. 25, 2014 Senior Notes Senior Notes 2014 Due 2044	Jul. 25, 2014 Interest Rate Swap	Apr. 25, 2014 Interest Rate Swap	Jul. 25, 2014 Capital Lease Obligations	Apr. 25, 2014 Capital Lease Obligations	Jun. 15, 2014 Parent Company [Member] Bridge Loan [Member] Senior Unsecured Bridge Credit Agreement [Member]	Jun. 15, 2014 Parent Company [Member] Bridge Loan [Member] Senior Unsecured Bridge Credit Agreement [Member]	Jun. 15, 2014 Makani II Limited [Member] Bridge Loan [Member] Senior Unsecured Cash Bridge Credit Agreement [Member]	Jun. 15, 2014 Makani II Limited [Member] Bridge Loan [Member] Senior Unsecured Cash Bridge Credit Agreement [Member]	Jun. 15, 2014 Covidien PLC [Member]
Debt [Line Items]
Debt Instrument, Maturity Date, Year, Earliest	2017																																											2016		2016
Debt Instrument, Maturity Date, Year, Last	2044																																											2022		2025
Debt Instrument, Maturity Date, Year												2016		2016		2017		2017		2018		2019		2020		2021		2022		2023		2024		2039		2040		2042		2043		2044
Line of Credit Facility
Maximum credit available										$ 2,250,000,000
Maximum maturities								364 days
Short-term borrowings	2,477,000,000	1,613,000,000						830,000,000
Weighted average original maturity								28 days
Weighted average interest rate								0.10%
Additional borrowing capacity									750,000,000
Line of Credit Facility, Length of Extension										1 year
Future funding available under debt bridge credit agreement																																																	2,800,000,000
General Disclosures
Principal amount			1,250,000,000	600,000,000	500,000,000	500,000,000	675,000,000	2,250,000,000			1,250,000,000	600,000,000		500,000,000												500,000,000		675,000,000
Long-term debt	10,323,000,000	10,315,000,000										600,000,000	600,000,000	500,000,000	500,000,000	250,000,000	250,000,000	250,000,000	250,000,000	1,000,000,000	1,000,000,000	400,000,000	400,000,000	1,250,000,000	1,250,000,000	500,000,000	500,000,000	675,000,000	675,000,000	1,250,000,000	1,250,000,000	850,000,000	850,000,000	300,000,000	300,000,000	500,000,000	500,000,000	400,000,000	400,000,000	750,000,000	750,000,000	650,000,000	650,000,000	71,000,000	56,000,000	136,000,000	139,000,000
Debt Instrument, Unamortized Discount	(24,000,000)	(25,000,000)
Gains from interest rate swap terminations	15,000,000	20,000,000
Stated interest rate			3.00%	4.75%	2.625%	4.125%	3.125%				3.00%	4.75%		2.625%				0.875%		1.375%		5.60%		4.45%		4.125%		3.125%		2.75%		3.625%		6.50%		5.55%		4.50%		4.00%		4.625%
Debt Instrument, Term																																																364 days		60 days
Additional cash required to finance the cash component of transaction																																																				13,200,000,000
Future funding available under cash bridge credit agreement																																																			$ 13,500,000,000