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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Debt (Details) - USD ($)								3 Months Ended	12 Months Ended
Debt (Details) - USD ($)	Nov. 10, 2017	Mar. 10, 2017	Dec. 05, 2016	Sep. 23, 2016	Jul. 26, 2016	Dec. 14, 2015	Jun. 03, 2013	Jan. 28, 2017	Oct. 28, 2017	Oct. 29, 2016	Oct. 31, 2015	Aug. 04, 2012
Debt Instrument [Line Items]
Aggregate principal amount of debt									$ 7,900,000,000	$ 1,750,000,000
Semi-annual fixed interest payments			semi-annual fixed interest payments due on June 5 and December 5 of each year, commencing June 5, 2017
Proceeds from debt						$ 1,200,000,000			11,156,164,000	1,235,331,000	$ 0
Repayments of debt									5,050,000,000	0	$ 0
364-day senior unsecured bridge facility maximum aggregate principal amount					$ 7,500,000,000
90-day senior unsecured bridge facility maximum aggregate principal amount		$ 4,100,000,000
3-year unsecured term loan facility principal amount				$ 2,500,000,000
5-year unsecured term loan facility principal amount				2,500,000,000
Debt issuance costs, net				$ 11,500,000
Senior 4.500% Unsecured Notes Dues December 5, 2036 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			$ 250,000,000
Interest rate to be paid on long term notes			4.50%
Senior 3.500% Unsecured Notes Due December 5, 2026 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			$ 900,000,000
Interest rate to be paid on long term notes			3.50%
Senior 2.5% Unsecured Notes Due December 5,2021 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			$ 400,000,000
Interest rate to be paid on long term notes			2.50%
Senior 3.125% Unsecured Notes Due December 5, 2023 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt			$ 550,000,000
Interest rate to be paid on long term notes			3.125%
Unsecured Debt [Member] \| Unsecured Term Loan, Three Year [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt									$ 1,950,000,000	0
Debt instrument, term		3 years		3 years					3 years
Repayments of unsecured debt									$ 550,000,000
Unsecured Debt [Member] \| Unsecured Term Loan, Five Year [Member]
Debt Instrument [Line Items]
Debt instrument, term		5 years		5 years					5 years
Repayments of unsecured debt									$ 400,000,000
Unsecured Debt [Member] \| Unsecured Term Loan, Three Year Current [Member]
Debt Instrument [Line Items]
Debt instrument, term									3 years
Senior Notes [Member] \| 3.0% Senior unsecured notes due April 15, 2016 [Member]
Debt Instrument [Line Items]
Debt instrument, covenant compliance									compliant with these covenants
Senior Notes [Member] \| 3.9% Senior unsecured notes due December 15, 2025 [Member]
Debt Instrument [Line Items]
Debt instrument, covenant compliance									compliant with these covenants
Senior Notes [Member] \| Senior unsecured notes due December 5, 2021, December 5, 2023, December 5, 2026 and December 5, 2036 [Member]
Debt Instrument [Line Items]
Net proceeds of notes offering			$ 2,100,000,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Term loan facility, description of variable rate basis									LIBOR
Term loan facility, interest rate over LIBOR rate									1.25%
Term loan facility, rate over LIBOR rate current rate												1.72%
2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Maturity date of senior unsecured notes							Jun. 01, 2023
Semi-annual fixed interest payments							semi-annual fixed interest payments due on June 1 and December 1 of each year, commencing December 1, 2013
Net proceeds of notes offering							$ 493,900,000
3.9% Senior unsecured notes due December 15, 2025 [Member]
Debt Instrument [Line Items]
Maturity date of senior unsecured notes						Dec. 15, 2025
Semi-annual fixed interest payments									semi-annual fixed interest payments due on June 15 and December 15 of each year, commencing June 15, 2016
5.3% Senior unsecured notes due December 15, 2045 [Member]
Debt Instrument [Line Items]
Maturity date of senior unsecured notes									Dec. 15, 2045
Bridge Loan [Member]
Debt Instrument [Line Items]
Unamortized bridge fees								$ 7,200,000		$ 13,700,000
Bridge Loan [Member] \| Senior Unsecured Bridge Facility, Three Hundred Sixty Four Days [Member]
Debt Instrument [Line Items]
Debt instrument, term					364 days
Debt related commitment fees and debt issuance costs			27,500,000
Bridge financing commitments			$ 2,500,000,000.0	$ 5,000,000,000
Bridge Loan [Member] \| Senior Unsecured Bridge Facility, Ninety Days [Member]
Debt Instrument [Line Items]
Debt instrument, term		90 days			90 days
Bridge Loan [Member] \| Unsecured Bridge Facility, Ninety Days, Agreement Due June 2017 [Member]
Debt Instrument [Line Items]
Debt related commitment fees and debt issuance costs		$ 15,000,000
Repayments of unsecured debt		$ 4,100,000,000
Fair Value, Measurements, Nonrecurring [Member] \| 2.875% Senior unsecured notes due June 1, 2023 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt							$ 500,000,000
Interest rate to be paid on long term notes							2.875%
Fair Value, Measurements, Nonrecurring [Member] \| 10 year US Treasury rate of 1.7845% [Member]
Debt Instrument [Line Items]
Interest rate to be paid on long term notes							1.7845%
Fair Value, Measurements, Nonrecurring [Member] \| 3.9% Senior unsecured notes due December 15, 2025 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt						$ 850,000,000.0
Interest rate to be paid on long term notes						3.90%
Fair Value, Measurements, Nonrecurring [Member] \| 5.3% Senior unsecured notes due December 15, 2045 [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt						$ 400,000,000
Interest rate to be paid on long term notes						5.30%
Eurodollar [Member] \| Minimum [Member] \| Unsecured Debt [Member] \| Unsecured Term Loan, Three Year [Member]
Debt Instrument [Line Items]
Term loan facility, interest rate over LIBOR rate									0.75%
Eurodollar [Member] \| Minimum [Member] \| Unsecured Debt [Member] \| Unsecured Term Loan, Five Year [Member]
Debt Instrument [Line Items]
Term loan facility, interest rate over LIBOR rate									0.875%
Eurodollar [Member] \| Maximum [Member] \| Unsecured Debt [Member] \| Unsecured Term Loan, Three Year [Member]
Debt Instrument [Line Items]
Term loan facility, interest rate over LIBOR rate									1.625%
Eurodollar [Member] \| Maximum [Member] \| Unsecured Debt [Member] \| Unsecured Term Loan, Five Year [Member]
Debt Instrument [Line Items]
Term loan facility, interest rate over LIBOR rate									1.75%
Subsequent Event [Member] \| Unsecured Debt [Member] \| Unsecured Term Loan, Three Year Current [Member]
Debt Instrument [Line Items]
Repayments of debt	$ 300,000,000