Leases - Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash paid for amounts included in the measurement of lease obligations:
Cash paid for operating leases (operating cash flows)	$ 401	$ 254	$ 126
Cash paid for finance leases (operating cash flows)	13	15	18
Cash paid for finance leases (financing cash flows)	22	21	19
Noncash transactions:
Operating Leases - Leased assets recognized for new lease obligations incurred	40	267	294
Finance Leases - Leased assets recognized for new lease obligations incurred	0	0	0
Operating Leases - Changes in leased assets and lease obligations due to lease modifications	239	97	16
Finance Leases - Changes in leased assets and lease obligations due to lease modifications	$ 0	$ 0	$ 0