Investments - Maturities of Available-for-sale and Held-to-maturity Securities (Details) $ in Millions	Feb. 12, 2023 USD ($)
Available-for-sale, Cost Basis
Due in one year or less	$ 177
Due after one year through five years	287
Due after five years	131
Available-for-sale, cost basis, total	595
Available-for-sale, Fair Value
Due in one year or less	175
Due after one year through five years	282
Due after five years	127
Available-for-sale, recorded basis, total	584
Held-to-maturity
Due in one year or less	151
Due after one year through five years	0
Due after five years	0
Held-to-maturity, cost basis, total	$ 151