XML 99 R53.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Asset Retirement Obligations (Tables)
 12 Months Ended
Dec. 31, 2019
Asset Retirement Obligation [Line Items]  
Asset Retirement Obligation Roll Forward
The changes in the carrying amounts of AROs were as follows:
 
PPL
 
LKE
 
LG&E
 
KU
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
ARO at beginning of period
$
347

 
$
397

 
$
296

 
$
356

 
$
103

 
$
121

 
$
193

 
$
235

Accretion
19

 
20

 
17

 
18

 
6

 
6

 
11

 
12

Obligations incurred
—

 
8

 
—

 
8

 
—

 
—

 
—

 
8

Changes in estimated timing or cost
12

 
(3
)
 
(2
)
 
(14
)
 
(2
)
 
(2
)
 
—

 
(12
)
Effect of foreign currency exchange rates
—

 
(3
)
 
—

 
—

 
—

 
—

 
—

 
—

Obligations settled
(96
)
 
(72
)
 
(96
)
 
(72
)
 
(34
)
 
(22
)
 
(62
)
 
(50
)
ARO at end of period
$
282

 
$
347

 
$
215

 
$
296

 
$
73

 
$
103

 
$
142

 
$
193
LG And E And KU Energy LLC [Member]  
Asset Retirement Obligation [Line Items]  
Asset Retirement Obligation Roll Forward
The changes in the carrying amounts of AROs were as follows:
 
PPL
 
LKE
 
LG&E
 
KU
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
ARO at beginning of period
$
347

 
$
397

 
$
296

 
$
356

 
$
103

 
$
121

 
$
193

 
$
235

Accretion
19

 
20

 
17

 
18

 
6

 
6

 
11

 
12

Obligations incurred
—

 
8

 
—

 
8

 
—

 
—

 
—

 
8

Changes in estimated timing or cost
12

 
(3
)
 
(2
)
 
(14
)
 
(2
)
 
(2
)
 
—

 
(12
)
Effect of foreign currency exchange rates
—

 
(3
)
 
—

 
—

 
—

 
—

 
—

 
—

Obligations settled
(96
)
 
(72
)
 
(96
)
 
(72
)
 
(34
)
 
(22
)
 
(62
)
 
(50
)
ARO at end of period
$
282

 
$
347

 
$
215

 
$
296

 
$
73

 
$
103

 
$
142

 
$
193
Louisville Gas And Electric Co [Member]  
Asset Retirement Obligation [Line Items]  
Asset Retirement Obligation Roll Forward
The changes in the carrying amounts of AROs were as follows:
 
PPL
 
LKE
 
LG&E
 
KU
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
ARO at beginning of period
$
347

 
$
397

 
$
296

 
$
356

 
$
103

 
$
121

 
$
193

 
$
235

Accretion
19

 
20

 
17

 
18

 
6

 
6

 
11

 
12

Obligations incurred
—

 
8

 
—

 
8

 
—

 
—

 
—

 
8

Changes in estimated timing or cost
12

 
(3
)
 
(2
)
 
(14
)
 
(2
)
 
(2
)
 
—

 
(12
)
Effect of foreign currency exchange rates
—

 
(3
)
 
—

 
—

 
—

 
—

 
—

 
—

Obligations settled
(96
)
 
(72
)
 
(96
)
 
(72
)
 
(34
)
 
(22
)
 
(62
)
 
(50
)
ARO at end of period
$
282

 
$
347

 
$
215

 
$
296

 
$
73

 
$
103

 
$
142

 
$
193
Kentucky Utilities Co [Member]  
Asset Retirement Obligation [Line Items]  
Asset Retirement Obligation Roll Forward
The changes in the carrying amounts of AROs were as follows:
 
PPL
 
LKE
 
LG&E
 
KU
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
 
2019
 
2018
ARO at beginning of period
$
347

 
$
397

 
$
296

 
$
356

 
$
103

 
$
121

 
$
193

 
$
235

Accretion
19

 
20

 
17

 
18

 
6

 
6

 
11

 
12

Obligations incurred
—

 
8

 
—

 
8

 
—

 
—

 
—

 
8

Changes in estimated timing or cost
12

 
(3
)
 
(2
)
 
(14
)
 
(2
)
 
(2
)
 
—

 
(12
)
Effect of foreign currency exchange rates
—

 
(3
)
 
—

 
—

 
—

 
—

 
—

 
—

Obligations settled
(96
)
 
(72
)
 
(96
)
 
(72
)
 
(34
)
 
(22
)
 
(62
)
 
(50
)
ARO at end of period
$
282

 
$
347

 
$
215

 
$
296

 
$
73

 
$
103

 
$
142

 
$
193