Leases - Schedule of Supplemental Information Related to Operating Leases (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental cash flow information:
Operating cash flows from operating leases included in the measurement of operating lease liabilities	$ 142	$ 162	$ 75
Supplemental noncash information:
ROU assets in exchange for operating lease liabilities in connection with the adoption of ASU 2016-02, "Leases"	$ 32	$ 115	$ 1,165
Weighted-average remaining lease term	15 years	16 years
Weighted-average discount rate	3.00%	3.00%