Other Assets and Other Liabilities - Schedule of Other Assets (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Derivative instruments (Note 13)	$ 533	$ 619
Government incentives (Note 1)	163	83
Other current assets	858	745
Other current assets	1,554	1,447
Non-current assets:
Derivative instruments (Note 13)	272	360
Government incentives (Note 1)	330	33
South Korean tax deposits (Note 15)	248	253
Operating leases (Note 8)	860	796
Investments (Note 1)	512	394
Other non-current assets	332	303
Other assets	$ 2,554	$ 2,139