Leases - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee Lease Description [Line Items]
Lessee, operating lease, existence of option to extend [true false]		true
Lessee, operating lease, option to extend	Some leases include one or more options to renew, generally at the Company’s sole discretion, with renewal terms that can extend the lease term by one to twelve years or more.
Lessee, operating lease, existence of option to terminate [true false]	true
Lessee, operating lease, option to terminate	In addition, certain leases contain termination options, where the rights to terminate are held by either the Company, the lessor, or both parties. These options to extend or terminate a lease are included in the lease terms when it is reasonably certain that the Company will exercise that option. The Company’s leases generally do not contain any material restrictive covenants.
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 186	$ 26	$ 32
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	15	3	4
Rent expense, including real estate taxes and operating costs	5	$ 5	5
Chubb Acquisition [Member]
Lessee Lease Description [Line Items]
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	146		14
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 2		$ 3
Maximum [Member]
Lessee Lease Description [Line Items]
Incremental borrowing rates on a quarterly basis across all currencies	12.65%
Incremental borrowing rates tenor	30 years
Minimum [Member]
Lessee Lease Description [Line Items]
Incremental borrowing rates on a quarterly basis across all currencies	0.63%
Incremental borrowing rates tenor	1 year
Facility [Member] | Maximum [Member]
Lessee Lease Description [Line Items]
Operating lease term	10 years
Equipment [Member] | Maximum [Member]
Lessee Lease Description [Line Items]
Operating lease term	7 years
Equipment [Member] | Minimum [Member]
Lessee Lease Description [Line Items]
Operating lease term	1 year
Vehicle [Member] | Maximum [Member]
Lessee Lease Description [Line Items]
Operating lease term	7 years
Vehicle [Member] | Minimum [Member]
Lessee Lease Description [Line Items]
Operating lease term	1 year