XML 155 R97.htm IDEA: XBRL DOCUMENT v3.20.4
Leases (Schedule of Expected Lease Income ) (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Leases [Abstract]  
2021 $ 8
2022 8
2023 8
2024 9
2025 8
Thereafter 52
Total $ 93