Business Combinations - Summary of Fair Value of Identifiable Intangible Assets (Detail) $ in Millions	Jan. 03, 2022 USD ($)
Business Acquisition [Line Items]
Total intangibles	$ 1,200
Customer Relationships [Member]
Business Acquisition [Line Items]
Total intangibles	695
Trade Names and Trademarks [Member]
Business Acquisition [Line Items]
Total intangibles	450
Contractual Backlog [Member]
Business Acquisition [Line Items]
Total intangibles	$ 55