Pension and Other Postretirement Benefits - Weighted-average Asset Allocations of Plan Assets (Details) - Pension Benefits	Oct. 26, 2025	Oct. 27, 2024
Long Duration Fixed Income
Pension and Other Postretirement Benefits
Actual %	40.50%	0.00%
Long Duration Fixed Income \| Minimum
Pension and Other Postretirement Benefits
Target Range %	30.00%	0.00%
Long Duration Fixed Income \| Maximum
Pension and Other Postretirement Benefits
Target Range %	50.00%	0.00%
Global Stocks
Pension and Other Postretirement Benefits
Actual %	32.20%	33.10%
Global Stocks \| Minimum
Pension and Other Postretirement Benefits
Target Range %	20.00%	20.00%
Global Stocks \| Maximum
Pension and Other Postretirement Benefits
Target Range %	55.00%	55.00%
Investment Grade Bonds
Pension and Other Postretirement Benefits
Actual %	9.80%	0.00%
Investment Grade Bonds \| Minimum
Pension and Other Postretirement Benefits
Target Range %	0.00%	0.00%
Investment Grade Bonds \| Maximum
Pension and Other Postretirement Benefits
Target Range %	20.00%	0.00%
Private Equity
Pension and Other Postretirement Benefits
Actual %	5.30%	6.10%
Private Equity \| Minimum
Pension and Other Postretirement Benefits
Target Range %	0.00%	0.00%
Private Equity \| Maximum
Pension and Other Postretirement Benefits
Target Range %	15.00%	15.00%
Real Estate
Pension and Other Postretirement Benefits
Actual %	5.00%	5.60%
Real Estate \| Minimum
Pension and Other Postretirement Benefits
Target Range %	0.00%	0.00%
Real Estate \| Maximum
Pension and Other Postretirement Benefits
Target Range %	10.00%	10.00%
Gold
Pension and Other Postretirement Benefits
Actual %	2.70%	2.40%
Gold \| Minimum
Pension and Other Postretirement Benefits
Target Range %	0.00%	0.00%
Gold \| Maximum
Pension and Other Postretirement Benefits
Target Range %	5.00%	5.00%
Cash and Cash Equivalents
Pension and Other Postretirement Benefits
Actual %	2.70%	1.50%
Cash and Cash Equivalents \| Minimum
Pension and Other Postretirement Benefits
Target Range %	0.00%	0.00%
Cash and Cash Equivalents \| Maximum
Pension and Other Postretirement Benefits
Target Range %	5.00%	5.00%
Hedge Funds
Pension and Other Postretirement Benefits
Actual %	1.90%	1.80%
Hedge Funds \| Minimum
Pension and Other Postretirement Benefits
Target Range %	0.00%	0.00%
Hedge Funds \| Maximum
Pension and Other Postretirement Benefits
Target Range %	10.00%	10.00%
Fixed Income
Pension and Other Postretirement Benefits
Actual %	0.00%	49.50%
Fixed Income \| Minimum
Pension and Other Postretirement Benefits
Target Range %	0.00%	40.00%
Fixed Income \| Maximum
Pension and Other Postretirement Benefits
Target Range %	0.00%	60.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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