CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net Income	$ 292	$ 483	$ 695	$ 964
Amounts arising during the period - gains (losses), net of tax (expense) benefit:
Foreign currency translation adjustments, net of tax	231	268	207	(196)
Qualifying derivatives, net of tax	(24)	(85)	(30)	(5)
Defined benefit plans:
Net actuarial gain (loss), net of tax	(11)	2	(11)	2
Reclassifications from accumulated other comprehensive income (loss) - (gains) losses, net of tax expense (benefit):
Qualifying derivatives, net of tax	25	85	24	7
Equity investees' other comprehensive (income) loss, net of tax	1	(1)	1	(1)
Defined benefit plans:
Prior service costs, net of tax	1	1	1	1
Net actuarial (gain) loss, net of tax	31	32	63	63
Total other comprehensive income (loss)	254	302	255	(129)
Comprehensive income	546	785	950	835
LG And E And KU Energy LLC [Member]
Net Income	87	84	190	204
Defined benefit plans:
Net actuarial gain (loss), net of tax	(11)	1	(11)	1
Reclassifications from accumulated other comprehensive income (loss) - (gains) losses, net of tax expense (benefit):
Equity investees' other comprehensive (income) loss, net of tax	0	(1)	1	(1)
Defined benefit plans:
Prior service costs, net of tax	1	1	1	1
Net actuarial (gain) loss, net of tax	1	1	2	2
Total other comprehensive income (loss)	(9)	2	(7)	3
Comprehensive income	$ 78	$ 86	$ 183	$ 207