XML 147 R79.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Leases Leases - Lessor (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Lessor, Lease, Description [Line Items]  
2020 $ 13
2021 11
2022 5
2023 5
2024 3
Thereafter 12
Total 49
Lease income recognized 21
LG And E And KU Energy LLC [Member]  
Lessor, Lease, Description [Line Items]  
2020 7
2021 5
2022 0
2023 1
2024 0
Thereafter 0
Total 13
Lease income recognized 13
Louisville Gas And Electric Co [Member]  
Lessor, Lease, Description [Line Items]  
2020 0
2021 0
2022 0
2023 0
2024 0
Thereafter 0
Total 0
Lease income recognized 5
Kentucky Utilities Co [Member]  
Lessor, Lease, Description [Line Items]  
2020 7
2021 5
2022 0
2023 0
2024 0
Thereafter 0
Total 12
Lease income recognized $ 8