Leases - Lease Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Current:
Operating lease liabilities	$ 265	$ 255
Finance lease liabilities	67	31
Noncurrent:
Operating lease liabilities	1,074	1,125
Finance lease liability	190	86
Total lease liabilities	$ 1,596	$ 1,497