XML 122 R99.htm IDEA: XBRL DOCUMENT v3.20.4
Note 11 - Summary of Income Recognized on Lease Arrangements (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lease Income [Abstract]    
Lease income - sales-type leases $ 1  
Lease income - operating leases 8 $ 9
Sublease income 2 6
Variable lease income 5 6
Total lease income $ 16 $ 21