CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income	$ 473	$ 393	$ 1,437	$ 283
Amounts arising during the period - gains (losses), net of tax (expense) benefit:
Foreign currency translation adjustments, net of tax	(641)	52	(837)	(97)
Available-for-sale securities, net of tax	0	0	0	7
Qualifying derivatives, net of tax	62	(19)	57	8
Defined benefit plans:
Prior service costs, net of tax	0	0	0	(6)
Net actuarial gain (loss), net of tax	(6)	0	(4)	52
Reclassifications from accumulated other comprehensive income (loss) - (gains) losses, net of tax expense (benefit):
Available-for-sale securities, net of tax	0	0	0	(2)
Qualifying derivatives, net of tax	(69)	10	(62)	20
Equity investees' other comprehensive (income) loss, net of tax	0	0	(1)	(1)
Defined benefit plans:
Prior service costs, net of tax	0	0	1	0
Net actuarial loss, net of tax	31	35	94	111
Total other comprehensive income (loss)	(623)	78	(752)	92
Comprehensive income (loss)	(150)	471	685	375
LG And E And KU Energy LLC [Member]
Net income	133	120	337	297
Defined benefit plans:
Net actuarial gain (loss), net of tax	0	0	1	(8)
Reclassifications from accumulated other comprehensive income (loss) - (gains) losses, net of tax expense (benefit):
Equity investees' other comprehensive (income) loss, net of tax	0	0	(1)	(1)
Defined benefit plans:
Prior service costs, net of tax	0	0	1	1
Net actuarial loss, net of tax	1	1	3	2
Total other comprehensive income (loss)	1	1	4	(6)
Comprehensive income (loss)	$ 134	$ 121	$ 341	$ 291