Summary of Significant Accounting Policies - Accounting Changes and Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 25, 2020	Oct. 27, 2019	Oct. 28, 2018		Oct. 28, 2019	Oct. 29, 2018	Oct. 29, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating	$ 53,119
Present Value of Lease Liabilities	55,152
Cumulative effect adjustment to retained earnings	(6,430,326)	$ (5,925,535)	$ (5,604,818)				$ (4,939,697)
Reclassification out of operating income	(1,100,220)	(1,196,265)	(1,179,961)	[1]
Reclassification into interest and investment income	35,596	31,520	27,817	[1]
Reclassification to (from) retained earnings	6,523,335	6,128,207
Reclassification to accumulated other comprehensive loss	$ 395,250	$ 399,500
Excess tax benefit			$ 40,400
Excess tax benefits, effective tax rate reduction	3.10%	2.20%	3.40%
ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating					$ 112,700
Present Value of Lease Liabilities					$ 114,100
ASU 2016-16 | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment to retained earnings		$ 10,500	$ 10,475
ASU 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification out of operating income			19,000
Reclassification into interest and investment income			$ 19,000
ASU 2017-12
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification to (from) retained earnings						$ 0
Reclassification to accumulated other comprehensive loss						0
ASU 2018-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification to (from) retained earnings						53,800
Reclassification to accumulated other comprehensive loss						$ 53,800

[1] Adjusted due to the adoption of Accounting Standards Update (ASU) 2017-07, Compensation - Retirement Benefits: Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost (Topic 715). See Note A - Summary of Significant Accounting Policies.