Annual report pursuant to Section 13 and 15(d)

Note 20 - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)

v3.20.4
Note 20 - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Unrecognized tax benefits as of January 1 $ 28 $ 26
Gross increases and decreases—tax positions taken during a prior period 2 4
Gross increases and decreases—tax positions taken during the current period 1 1
Reductions resulting from the lapse of statutes of limitation (2) (4)
Foreign currency movements (1) 1
Unrecognized tax benefits as of December 31 $ 16 $ 28