Leases - Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 01, 2023 USD ($)	Jan. 02, 2022 USD ($)	Apr. 20, 2023 ft²
Lessee, Lease, Description [Line Items]
Leased area | ft²					290,000
Total		$ 154
Operating lease, cost		48	$ 42	$ 54
ROU assets obtained in exchange for new operating lease liabilities		$ 120	$ 0	$ 0
Subsequent Event
Lessee, Lease, Description [Line Items]
Lease, term of contract (in years)	15 years
Operating lease, expected expense per year	$ 10