CONSOLIDATED STATEMENT OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Equity earnings from unconsolidated affiliates (Note 3)	$ 31	[1]	$ 40	[1]	$ 100	[1]	$ 116	[1]
Transmission revenues	17		18		49		53
Operating expenses	(4)		(4)		(12)		(10)
General and administrative	(1)		(1)		(5)		(8)
Depreciation	(2)		(3)		(8)		(11)
Financial charges and other	(6)		(9)		(17)		(21)
Net income	35	[1]	41	[1]	107	[1],[2]	119	[1],[2]
Net income allocation (Note 6)
Common units	34		40		105		117
General Partner	1		1		2		2
Net income allocated to partners (Note 6)	$ 35		$ 41		$ 107		$ 119
Net income per common unit (Note 6) (in dollars per unit)	$ 0.64		$ 0.75		$ 1.96		$ 2.33
Weighted average common units outstanding (millions) (in units)	53.5		53.5		53.5		50.2
Common units outstanding, end of period (millions) (in units)	53.5		53.5		53.5		53.5

[1] 25 percent interests in each of GTN and Bison were acquired in May 2011.

[2] 25 percent interests in each of GTN and Bison were acquired in May 2011, the first distribution was received in the fourth quarter of 2011.