Note 11 - Other Assets and Other Liabilities - Other Assets (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Derivative instruments (Note 15)	$ 336	$ 148
Other current assets	690	613
Other current assets	1,026	761
Derivative instruments (Note 15)	164	123
South Korean tax deposits	350	365
Operating lease right-of-use assets, net (1)	741	680
Investments (Note 3)	318	435
Other non-current assets	483	537
Other assets	$ 2,056	$ 2,140