Business Combinations - Summary of Final Fair Value of Consideration of Assets Acquired and Liabilities Assumed (Detail) - Chubb Limited (“Chubb”) Fire and Security Business [Member] $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Cash paid at closing	$ 2,935
Estimated net working capital adjustment	(42)
Total consideration	2,893
Cash	60
Accounts receivable	426
Inventories	68
Contract assets	183
Other current assets	25
Property and equipment	73
Operating lease right of use assets	146
Pension and post-retirement assets	626
Other noncurrent assets	8
Intangible assets other then goodwill	1,200
Goodwill	1,367
Accounts payable	(192)
Contract liabilities	(162)
Accrued expenses	(255)
Finance and operating lease liabilities	(148)
Pension and post-retirement obligations	(56)
Deferred tax liabilities	(383)
Other noncurrent liabilities	(93)
Net assets acquired	$ 2,893