Reconciliation of the Change in Fair Value of the Pension Plan Assets Calculated based on Level 3 Inputs (Detail) - Significant Unobservable Inputs (Level 3) - United Kingdom $ in Millions	12 Months Ended
Dec. 30, 2023 USD ($)
Schedule of Pension Plan Assets by Fair Value [Line Items]
Purchases	$ 165
Balance at December 30, 2023	$ 165

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant