Business Combinations - Summary of Preliminary Fair Value of Identifiable Intangible Assets (Detail) $ in Millions	Jan. 03, 2022 USD ($)
Business Acquisition [Line Items]
Total intangibles	$ 1,385
Customer Relationships [Member]
Business Acquisition [Line Items]
Total intangibles	550
Trade Names [Member]
Business Acquisition [Line Items]
Total intangibles	10
Contractual Backlog [Member]
Business Acquisition [Line Items]
Total intangibles	$ 825