CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Net Income		$ 403	$ 481
Amounts arising during the period - gains (losses), net of tax (expense) benefit:
Foreign currency translation adjustments, net of tax		(24)	(464)
Qualifying derivatives, net of tax		(6)	80
Reclassifications from accumulated other comprehensive income (loss) - (gains) losses, net of tax expense (benefit):
Qualifying derivatives, net of tax		(1)	(78)
Defined benefit plans:
Net actuarial (gain) loss, net of tax		32	31
Total other comprehensive income (loss)		1	(431)
Comprehensive income		404	50
LG And E And KU Energy LLC [Member]
Net Income	[1]	103	120
Defined benefit plans:
Total other comprehensive income (loss)		$ 2	$ 1

[1] Net income approximates comprehensive income.