CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018		Jun. 30, 2017
Net Income	$ 515	$ 292	$ 967		$ 695
Amounts arising during the period - gains (losses), net of tax (expense) benefit:
Foreign currency translation adjustments, net of tax	(250)	231	(134)		207
Qualifying derivatives, net of tax	19	(24)	(1)		(30)
Defined benefit plans:
Prior service costs, net of tax	(1)	0	(1)		0
Net actuarial gain (loss), net of tax	0	(11)	(1)		(11)
Reclassifications from AOCI - (gains) losses, net of tax expense (benefit):
Qualifying derivatives, net of tax	(19)	25	(7)		24
Equity investees' other comprehensive (income) loss, net of tax	0	1	0		1
Defined benefit plans:
Prior service costs, net of tax	1	1	1		1
Net actuarial (gain) loss, net of tax	34	31	70		63
Total other comprehensive income (loss)	(216)	254	(73)		255
Comprehensive income	299	546	894		950
LG And E And KU Energy LLC [Member]
Net Income	86	87	228	[1]	190	[1]
Defined benefit plans:
Net actuarial gain (loss), net of tax	1	(11)	0		(11)
Reclassifications from AOCI - (gains) losses, net of tax expense (benefit):
Equity investees' other comprehensive (income) loss, net of tax	0	0	0		1
Defined benefit plans:
Prior service costs, net of tax	1	1	1		1
Net actuarial (gain) loss, net of tax	(1)	1	1		2
Total other comprehensive income (loss)	1	(9)	2		(7)
Comprehensive income	$ 87	$ 78	$ 230		$ 183

[1] Net income approximates comprehensive income.