CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net income		$ 483	$ (757)	$ 964	$ (110)
Amounts arising during the period - gains (losses), net of tax (expense) benefit:
Foreign currency translation adjustments, net of tax		268	(83)	(196)	(149)
Available-for-sale securities, net of tax		0	2	0	7
Qualifying derivatives, net of tax		(85)	21	(5)	27
Defined benefit plans:
Prior service costs, net of tax		0	(6)	0	(6)
Net actuarial gain (loss), net of tax		2	53	2	52
Reclassifications from accumulated other comprehensive income (loss) - (gains) losses, net of tax expense (benefit):
Available-for-sale securities, net of tax		0	(1)	0	(2)
Qualifying derivatives, net of tax		85	27	7	10
Equity investees' other comprehensive (income) loss, net of tax		(1)	0	(1)	(1)
Defined benefit plans:
Prior service costs, net of tax		1	0	1	0
Net actuarial loss, net of tax		32	38	63	76
Total other comprehensive income (loss)		302	51	(129)	14
Comprehensive income (loss)		785	(706)	835	(96)
LG And E And KU Energy LLC [Member]
Net income	[1]	84	60	204	177
Defined benefit plans:
Net actuarial gain (loss), net of tax		1	(8)	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		(1)	0	(1)	(1)
Defined benefit plans:
Prior service costs, net of tax		1	1	1	1
Net actuarial loss, net of tax		1	0	2	1
Total other comprehensive income (loss)		2	(7)	3	(7)
Comprehensive income (loss)		$ 86	$ 53	$ 207	$ 170

[1] Net income equals comprehensive income.