Note 2 - Cash, Cash Equivalents and Restricted Cash - Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Millions	Jun. 30, 2024		Dec. 31, 2023	Jun. 30, 2023	[1]	Dec. 31, 2022
Cash and cash equivalents	$ 251		$ 255
Restricted cash reported in Other current assets	9		12
Restricted cash	100		110
Total cash, cash equivalents and restricted cash shown in the Statement of Cash Flows	$ 360	[1]	$ 377	$ 292		$ 286

[1] Refer to Note 2, “Cash, Cash Equivalents and Restricted Cash” for the components of cash, cash equivalents and restricted cash.