Unconsolidated variable interest entities Tables (Tables)

12 Months Ended

Dec. 31, 2014

Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract]

Schedule of purchases from independent power producers

Purchases from all IPPs were as follows: 

Years ended December 31	2014		2013		2012
(in millions)
AES Hawaii	$	145	$	134	$	146
Kalaeloa	279		301		310
HEP	51		51		65
HPOWER	66		61		65
Other IPPs	181		164		138
Total IPPs	$	722	$	711	$	724